gear

【发音】

美 /ɡɪr/ 英 /gɪə/

【翻译】

1. n.齿轮，传动装置，排挡；用具，设备；衣服

   英释:the machinery in a vehicle such as a car, truck, or bicycle that you use to go comfortably at different speeds

2. vt. 使适应， 使适合

   英释:If someone or something is geared to or toward a particular purpose, they are organized or designed in order to achieve that purpose

【记忆】

g ＋ ear(耳朵) → 用耳朵听声音判断齿轮故障 → 齿轮

【短语】

1. bevel gear : 锥齿轮，锥形齿轮；伞齿轮

2. gear box : 齿轮箱

3. gear transmission : 齿轮传动

4. worm gear : 蜗轮；螺旋齿

5. planetary gear : 行星齿轮

6. gear reducer : 减速器；齿轮减速箱；齿轮减速装置

7. in gear : 处于正常状态；处于就绪状态

8. gear drive : 齿轮传动

9. gear with : v. 适合；一致

10. gear pump : 齿轮泵

11. spur gear : n. [机]正齿轮

12. helical gear : 斜齿轮

13. landing gear : 起落架；起落装置，着陆装置

14. spiral bevel gear : 弧齿锥齿轮；螺旋伞齿轮

15. gear wheel : 齿轮

16. steering gear : 转向机构；转向装置；轮向齿轮

17. involute gear : 渐开线齿轮

18. gear oil : 齿轮油

19. cylindrical gear : 圆柱齿轮

20. gear train : 轮系；齿轮传动链

【例句】

1. His mountain bike had 18 gears.

   他的山地自行车有18挡。

2. Andy drove cautiously along in third gear.

   安迪挂着三挡小心地行驶。

3. Does this thing have a reverse gear?

   这玩意儿有倒挡吗？

4. Any cyclist can climb a difficult hill; you just change gear.

   谁都能骑上难爬的山坡，只要换挡就行了。

5. Don’t turn off the engine while you’re still in gear.

   还挂着挡的时候不要关发动机。

6. It’s a good habit to take the car out of gear while you’re at a stoplight.

   等红灯时换空挡的习惯很好。

7. Colleges are not always geared to the needs of mature students.

   大学并不总是去适应成年学生的需要。

8. My training was geared toward winning gold.

   我的训练是为赢得金牌去规划的。

【真题例句】

1. (2017.6 • CET4 • • 阅读理解)...but the thrill of young love seems to have shifted a gear in his mind: from now on...

2. (2017.6 • CET4 • 第二套 • 写作题)...you can shift the gear of it to change the speed anytime you like accordingly...

【同、近义词】

1. n.[机]齿轮；装置，工具；传动装置

   apparatus/installation/facilities/vehicle/engine/

2. vi.适合；搭上齿轮；开始工作

   serve/adapt to something/

3. vt.开动；搭上齿轮；使……适合；使……准备好

   actuate/get under way/

【同根词】

1. n

   gearing : 传动装置

2. vt

   gearing : 以齿轮连起；配搭活动（gear的ing形式）