字根 tract，意思是「拉」、「拖」、「引導」。
這個字根延伸出了許多日常英文單字，無論是具體的拉扯，還是抽象的吸引力、協議、撤回，都與「拉的動作」有關。下面我們一起來看看30個和 tract 有關的單字，每個都附上詞義、三個例句及中文翻譯，讓你不只記得意思，也能靈活運用在生活對話或寫作中。
1. attract 吸引
詞義：拉向自己、吸引注意力
- The flowers attract bees with their bright colors.
這些花以鮮艷的顏色吸引蜜蜂。 - He tries to attract more customers by lowering the prices.
他試著透過降價來吸引更多顧客。 - That song really attracts a lot of attention on social media.
那首歌在社群媒體上真的吸引很多關注。
2. distract 分心、使分散注意力
詞義：把注意力拉走
- The noise outside distracted me from studying.
外面的噪音讓我無法專心念書。 - Don’t distract the driver while he’s driving.
駕駛開車時不要讓他分心。 - She used jokes to distract from the tension in the room.
她用笑話轉移房間裡的緊張氣氛。
3. contract 合約；收縮
詞義：拉在一起成為協議；縮小
- We signed a one-year contract with the company.
我們與公司簽了一年的合約。 - Metal contracts when it cools down.
金屬在冷卻時會收縮。 - He caught a cold and contracted a fever.
他感冒了，還發了燒。
4. extract 提取；摘錄
詞義：從某物中拉出來
- Dentists extract teeth that can’t be saved.
牙醫會拔除無法保留的牙齒。 - We need to extract the main points from the report.
我們需要從報告中提取重點。 - Vanilla extract is used in many desserts.
香草精常用在許多甜點中。
5. retract 收回；撤回
詞義：向內拉回
- He had to retract his statement after it caused outrage.
他發表言論後引發爭議，只好撤回。 - The cat retracted its claws.
那隻貓縮回了爪子。 - The offer was retracted due to a mistake.
因為出錯，這個提議被撤回了。
6. subtract 減去
詞義：拉走一部分
- If you subtract 5 from 10, you get 5.
十減五等於五。 - Don’t forget to subtract tax from the total.
別忘了從總額中扣除稅金。 - She subtracted her expenses from her salary.
她從薪水中扣掉開銷。
7. abstract 抽象的；摘要
詞義：從具體事物中拉出觀念或重點
- The painting is very abstract and hard to understand.
這幅畫非常抽象，很難懂。 - He wrote an abstract for his research paper.
他替他的研究論文寫了摘要。 - Abstract thinking is important in philosophy.
抽象思考在哲學中很重要。
8. protract 延長
詞義：向前拉、拖延
- Don’t protract the meeting any longer than necessary.
不要讓會議比必要時間還長。 - Their negotiations were protracted over several months.
他們的談判拖了好幾個月。 - She protracted her stay due to illness.
她因為生病延長了停留時間。
9. detract 減損；貶低
詞義：把價值往下拉
- The stain on his shirt detracted from his appearance.
他襯衫上的污漬讓他外表扣分。 - Don’t let one mistake detract from your overall success.
別讓一個錯誤抹煞你的整體成功。 - The noise detracts from the peaceful atmosphere.
噪音破壞了寧靜的氛圍。
10. tractor 拖拉機
詞義：拉動農具的機械
- The farmer uses a tractor to plow the fields.
農夫用拖拉機犁田。 - The tractor broke down during harvest season.
收割季時拖拉機故障了。 - Kids love watching tractors on the farm.
小朋友喜歡在農場上看拖拉機。
11. traction 牽引力
詞義：拉動的力量
- The tires lost traction on the icy road.
輪胎在結冰的路上失去牽引力。 - This idea is gaining traction among young voters.
這個想法在年輕選民中逐漸受歡迎。 - He needed traction for his broken leg.
他的斷腿需要牽引治療。
12. intractable 難處理的；倔強的
詞義：無法被拉動的
- The problem is intractable and needs more time.
這個問題很棘手，需要更多時間。 - He is an intractable child who won’t listen.
他是個很難管教的小孩。 - The pain was intractable despite medication.
即使用了藥物，疼痛依然難以控制。
13. entreat 懇求
詞義：拉近來請求
- I entreat you to listen to me just once.
我懇求你聽我說一次。 - They entreated the king for mercy.
他們懇求國王寬恕。 - She entreated her friend not to leave.
她懇求朋友不要離開。
14. misattract 誤吸引
詞義：錯誤地拉向自己
- Bright lights can misattract insects.
強光會誤吸引昆蟲。 - The flashy ad misattracted the wrong customers.
花俏的廣告吸引錯目標客群。 - Misattracting users can hurt your brand.
吸引錯誤用戶會傷害品牌。
15. nonattractive 不吸引人的
詞義：沒有吸引力
- The design was functional but nonattractive.
設計實用但不好看。 - His behavior is nonattractive to employers.
他的行為對雇主來說沒有吸引力。 - The food looked nonattractive but tasted great.
這道菜不好看但很好吃。
16. overcontract 過度承諾或收縮
詞義：拉得太緊
- The company overcontracted and couldn’t deliver.
公司接太多案子，無法完成。 - Muscles can overcontract during intense workouts.
強烈運動時肌肉會過度收縮。 - Overcontracting resources leads to burnout.
資源過度使用會造成過勞。
17. undercontract 合約中；尚未完成
詞義：正被約束拉住
- The actor is still under contract with the studio.
那位演員仍與片廠簽有合約。 - This house is under contract and not for sale.
這間房已簽約，不再出售。 - Employees under contract cannot switch jobs freely.
有合約的員工不能隨意換工作。
18. multitract 多方向的
詞義：多重拉力或路線
- The team took a multitract approach to solve the issue.
團隊用多方策略解決問題。 - Multitract learning involves visuals and audio.
多重路線學習包含圖像和聲音。 - A multitract investigation was launched.
展開了多路徑的調查。
19. distractibility 易分心
詞義：容易被拉走注意力的特性
- High distractibility is common in children.
小孩常容易分心。 - The teacher noticed his distractibility.
老師注意到他容易分心的特性。 - Distractibility affects productivity.
易分心會影響工作效率。
20. tractional 有牽引作用的
詞義：與牽引有關
- Tractional therapy helps back pain.
牽引療法有助減輕背痛。 - A tractional device was used in treatment.
治療時使用了牽引裝置。 - This tractional force assists movement.
這個牽引力有助於移動。
21. reattract 再吸引
詞義：再次把人拉回來
- They launched a sale to reattract old customers.
他們辦促銷來吸引舊客人回來。 - The update reattracted users to the app.
這次更新讓使用者又回來用 App。 - He tried to reattract her attention.
他試圖再次吸引她的注意。
22. tractable 可引導的；溫順的
詞義：能被拉動的
- The dog is tractable and easy to train.
這隻狗很溫馴，容易訓練。 - She is a tractable student.
她是個容易教導的學生。 - A tractable situation can be resolved quickly.
容易處理的情況可以迅速解決。
23. attractor 吸引物；吸引源
詞義：會讓人被拉近的東西
- The theme park is a big attractor for tourists.
主題樂園是吸引觀光客的大亮點。 - Beauty is a strong attractor in fashion ads.
美貌在時尚廣告中很有吸引力。 - Discounts are great attractors for shoppers.
折扣對購物者來說很有吸引力。
24. abstraction 抽象概念
詞義：從具體中拉出來的想法
- Love is an abstraction hard to define.
愛是一個難以定義的抽象概念。 - His painting expresses deep abstraction.
他的畫表達了深刻的抽象情感。 - Philosophy often deals with abstraction.
哲學常處理抽象議題。
25. contracted 縮小的；簽約的
詞義：已被拉緊或限制
- His muscles contracted in pain.
他的肌肉因疼痛而收縮。 - The company is contracted to deliver next week.
公司簽約下週交貨。 - The economy contracted last quarter.
上一季經濟萎縮了。
26. contractor 承包商
詞義：簽約被拉進來執行工作的人
- We hired a contractor to remodel the kitchen.
我們雇了一位承包商來整修廚房。 - The contractor finished ahead of schedule.
承包商提早完工。 - He works as a freelance contractor.
他是自由接案的承包商。
27. retractable 可收回的
詞義：可以被拉回來的
- The umbrella has a retractable handle.
雨傘有可收回的把手。 - Some stadiums have retractable roofs.
有些體育館有可收式屋頂。 - It comes with a retractable cord.
它附有可拉回的電線。
28. extraction 抽取；拔除
詞義：拉出來的過程
- The extraction of oil harms the environment.
石油開採對環境有害。 - Tooth extraction is painful.
拔牙很痛。 - Data extraction took several hours.
資料提取花了好幾個小時。
29. contracting 感染；縮小
詞義：正在被拉緊或受到影響
- She is contracting a cold.
她正在感冒中。 - The fabric is contracting after washing.
布料洗過後在縮小。 - He is contracting to work abroad.
他簽約要去國外工作。
30. detraction 誹謗；減損
詞義：從別人名聲中拉走好評
- The article was full of detraction.
那篇文章充滿誹謗。 - She spoke with detraction about her rival.
她講話中貶低了她的對手。 - Constant detraction ruins trust.
持續的誹謗會破壞信任。