英文字根cycl
英文字根 cycl 來源於希臘文「κύκλος」（kyklos），意指「圈」或「輪子」。這個字根與「環狀」、「循環」、「周期」等概念密切相關。在英文單字中，含有 cycl 的詞多與「環形結構」、「循環過程」或「周期現象」有關。掌握這個字根，有助於理解許多與時間週期、機械結構、甚至是化學結構相關的單字。
1. recycle
詞義說明：重新回收、再利用
- Please recycle your plastic bottles to help the environment.
請回收你的塑膠瓶，幫助保護環境。 - We should recycle paper to reduce waste.
我們應該回收紙張以減少垃圾。 - The company started a new program to recycle electronic waste.
公司開始了一個回收電子廢料的新計畫。
2. bicycle
詞義說明：自行車（雙輪車）
- She rides her bicycle to school every day.
她每天騎自行車上學。 - The city built new bike lanes for safer bicycle travel.
市政府建了新的自行車道讓騎車更安全。 - He fixed the bicycle tire after it got a flat.
他修好了自行車爆胎的輪胎。
3. tricycle
詞義說明：三輪車
- The toddler enjoyed riding his tricycle in the park.
小孩喜歡在公園騎他的三輪車。 - Tricycles are often used by young children learning to balance.
三輪車常被學習平衡的小孩使用。 - She bought a colorful tricycle as a birthday gift.
她買了一台五彩繽紛的三輪車當生日禮物。
4. cycle
詞義說明：週期、循環；騎腳踏車
- The seasons cycle through spring, summer, fall, and winter.
季節依序循環為春、夏、秋、冬。 - He likes to cycle along the river every weekend.
他喜歡每週末沿著河邊騎腳踏車。 - Economic growth often follows a cycle of expansion and contraction.
經濟成長通常遵循擴張與收縮的週期。
5. motorcycle
詞義說明：摩托車
- He bought a new motorcycle last month.
他上個月買了一輛新摩托車。 - Motorcycles are faster and more flexible in traffic.
摩托車在交通中比較快且靈活。 - She wears a helmet every time she rides her motorcycle.
她每次騎摩托車都戴安全帽。
6. unicycle
詞義說明：獨輪車
- The performer balanced skillfully on his unicycle.
表演者熟練地在獨輪車上保持平衡。 - Learning to ride a unicycle takes a lot of practice.
學習騎獨輪車需要很多練習。 - At the circus, the clown entertained the crowd on a unicycle.
馬戲團裡，小丑騎獨輪車逗樂觀眾。
7. cyclone
詞義說明：氣旋，颶風
- The cyclone caused heavy rains and strong winds.
氣旋帶來豪雨與強風。 - Coastal areas were evacuated ahead of the approaching cyclone.
沿海地區在氣旋來襲前被疏散。 - Cyclones often form over warm ocean waters.
氣旋通常在溫暖的海洋上生成。
8. encyclopedia
詞義說明：百科全書
- The encyclopedia contains information on a wide range of topics.
百科全書包含廣泛主題的資訊。 - Students often use the encyclopedia for research.
學生經常使用百科全書做研究。 - The online encyclopedia is updated regularly.
線上百科全書定期更新。
9. cyclic
詞義說明：週期性的，循環的
- The cyclic pattern of the moon phases is fascinating.
月相的週期性模式非常迷人。 - Many natural phenomena follow cyclic processes.
許多自然現象遵循循環過程。 - The business experienced cyclic ups and downs.
這個企業經歷了週期性的起伏。
10. bicycle-friendly
詞義說明：適合騎自行車的
- The city has become more bicycle-friendly with new bike lanes.
這個城市因為有新自行車道而更適合騎車。 - Bicycle-friendly policies encourage people to use bikes more often.
自行車友善政策鼓勵人們更常使用自行車。 - Many parks are designed to be bicycle-friendly for families.
許多公園設計得很適合家庭騎自行車。
11. unicycle-friendly
詞義說明：適合騎獨輪車的
- The park is unicycle-friendly with smooth paths.
公園的平坦步道很適合騎獨輪車。 - Unicycle-friendly events attract enthusiasts from all over.
適合騎獨輪車的活動吸引了各地愛好者。 - They built ramps to make the area more unicycle-friendly.
他們建造了坡道讓這區域更適合騎獨輪車。
12. recycle bin
詞義說明：回收桶
- Please put your plastic bottles in the recycle bin.
請把塑膠瓶放進回收桶。 - The recycle bin is located near the entrance of the park.
回收桶位於公園入口附近。 - Empty the recycle bin regularly to keep the area clean.
定期清空回收桶以保持環境整潔。
13. motorcycle helmet
詞義說明：摩托車安全帽
- Wearing a motorcycle helmet is mandatory by law.
戴摩托車安全帽是法律規定。 - The motorcycle helmet protects the rider’s head in accidents.
摩托車安全帽在事故中保護騎士的頭部。 - He always checks his motorcycle helmet before riding.
他每次騎車前都會檢查安全帽。
14. cycle path
詞義說明：自行車道
- The new cycle path connects several neighborhoods.
新的自行車道連接了好幾個社區。 - Cyclists feel safer using a dedicated cycle path.
騎士使用專用自行車道會更安全。 - The city plans to build more cycle paths next year.
市政府計畫明年建更多自行車道。
15. recycling center
詞義說明：回收中心
- Take your old newspapers to the recycling center.
把舊報紙拿到回收中心。 - The recycling center sorts materials for reuse.
回收中心會分類材料以供再利用。 - Recycling centers help reduce landfill waste.
回收中心有助於減少垃圾掩埋量。
16. bicycle lane
詞義說明：自行車專用車道
- Always ride in the bicycle lane when available.
有自行車道時，請務必騎在裡面。 - Bicycle lanes reduce accidents between cars and bikes.
自行車道減少車輛與自行車的事故。 - The city installed new signs along the bicycle lane.
市政府在自行車道沿線裝設了新標誌。
17. recycle symbol
詞義說明：回收標誌
- Look for the recycle symbol on product packaging.
在產品包裝上找回收標誌。 - The recycle symbol indicates the item can be recycled.
回收標誌表示該物品可回收。 - Many companies print the recycle symbol to promote eco-friendliness.
許多公司印刷回收標誌以推廣環保。
18. cyclical unemployment
詞義說明：週期性失業（經濟學用語）
- Cyclical unemployment rises during economic recessions.
經濟衰退期間週期性失業上升。 - Governments implement policies to reduce cyclical unemployment.
政府實施政策以降低週期性失業。 - Cyclical unemployment differs from structural unemployment.
週期性失業與結構性失業不同。
19. unicycle race
詞義說明：獨輪車比賽
- The unicycle race attracted participants from many countries.
獨輪車比賽吸引來自多國參賽者。 - He trained hard for the upcoming unicycle race.
他為即將到來的獨輪車比賽努力訓練。 - The unicycle race is a popular event at the circus festival.
獨輪車比賽是馬戲節的熱門活動。
20. cyclotron
詞義說明：迴旋加速器（一種粒子加速器）
- Scientists use a cyclotron to accelerate particles in experiments.
科學家使用迴旋加速器加速粒子做實驗。 - The cyclotron helps in medical isotope production.
迴旋加速器協助醫療同位素的製造。 - Cyclotrons are complex machines found in research labs.
迴旋加速器是研究實驗室裡複雜的機械。
21. recycle rate
詞義說明：回收率
- The city improved its recycle rate by 15% last year.
該市去年提高了15%的回收率。 - High recycle rates help conserve natural resources.
高回收率有助於保護自然資源。 - Educating the public increases the recycle rate.
教育大眾能提升回收率。
22. bicycle rack
詞義說明：自行車架
- Park your bike securely in the bicycle rack.
把你的腳踏車停放在自行車架上。 - The shopping mall installed new bicycle racks for customers.
購物中心為顧客安裝了新的自行車架。 - Make sure to lock your bike to the bicycle rack.
記得把腳踏車鎖在自行車架上。
23. recycling program
詞義說明：回收計畫
- The company launched a recycling program to reduce waste.
公司啟動回收計畫以減少垃圾。 - Schools participate in recycling programs to teach students.
學校參與回收計畫來教育學生。 - Recycling programs require community support to succeed.
回收計畫需要社區支持才能成功。
24. unicyclist
詞義說明：騎獨輪車的人
- The unicyclist performed impressive tricks at the park.
獨輪車騎士在公園表演了精彩的特技。 - She is a professional unicyclist who tours internationally.
她是國際巡迴的職業獨輪車騎士。 - The unicyclist fell but quickly got back on the wheel.
獨輪車騎士跌倒後很快又爬上車輪。
25. recycling bin label
詞義說明：回收桶標籤
- The recycling bin label shows what items can be recycled.
回收桶標籤顯示可回收物品種類。 - Clear recycling bin labels help reduce contamination.
清楚的回收桶標籤有助於減少污染。 - The office updated all recycling bin labels recently.
辦公室最近更新了所有回收桶標籤。
26. cyclic process
詞義說明：循環過程
- Photosynthesis is part of a cyclic process in nature.
光合作用是自然界的循環過程之一。 - Many industrial machines operate using cyclic processes.
許多工業機械使用循環過程運作。 - Understanding cyclic processes is important in biology.
了解循環過程在生物學很重要。
27. cycler
詞義說明：騎腳踏車的人
- The cycler trained for hours every day before the race.
騎車者在比賽前每天訓練數小時。 - Experienced cyclers know how to pace themselves.
有經驗的騎車者知道如何掌握節奏。 - The cycler rode through the countryside enjoying the view.
騎車者騎過鄉間，享受美景。
28. recycle paper
詞義說明：回收紙張
- Recycling paper helps save trees and reduce waste.
回收紙張有助於保護樹木及減少垃圾。 - Please separate recyclable paper from trash.
請將可回收紙張與垃圾分開。 - The office encourages everyone to recycle paper.
辦公室鼓勵大家回收紙張。
29. cyclone warning
詞義說明：氣旋警報
- Authorities issued a cyclone warning for the coastal region.
當局對沿海地區發布了氣旋警報。 - Residents prepared for the storm after the cyclone warning.
居民在氣旋警報後做好風暴準備。 - The cyclone warning was lifted after the storm passed.
風暴過後氣旋警報解除。
30. bicycle helmet law
詞義說明：自行車安全帽法規
- The bicycle helmet law requires all riders to wear helmets.
自行車安全帽法規要求所有騎士戴安全帽。 - The government enforces the bicycle helmet law strictly.
政府嚴格執行自行車安全帽法規。 - Wearing a helmet under the bicycle helmet law reduces injuries.
依照自行車安全帽法規戴安全帽可減少受傷。