Word · Frequency #3392
gear
齿轮
核心释义
a toothed wheel that meshes with another toothed wheel in order to change the speed or direction of movement
- 1.
装备或用具,尤指运动用品
Equipment or paraphernalia, especially that used for an athletic endeavor.
- 2.
一种齿轮,通过啮合另一个齿轮来改变传动运动的速度或方向
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
- 3.
服装;衣物
Clothing; garments.
- 4.
由一组相连的旋转齿轮组成的传动装置,用于传递力或改变运动或扭矩
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
- 5.
齿轮:外圆周刻有齿的轮、轮段或杆,可相互啮合传递运动
A wheel, wheel segment, or bar with grooves (teeth) engraved on the outer circumference, such that two such devices can interlock and convey motion from one to the other.
- 6.
用于特定目的的传动机制(如车辆的转向装置)
a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle)
- 7.
特定齿轮组合或选择,通常通过换挡器实现
A particular combination or choice of interlocking gears, such that a particular gear ratio is achieved; often selected via a shifter.
挡;挡位;排挡;装备;用具;器材;传动装置;传动机构;衣服;衣物;装备或用具,尤指运动用品
用法In use
I packed my camping gear into the car before we left.
用法提示:gear 是名词,指户外活动所需的装备或器材。
She bought some new gear for her tennis lessons.
用法提示:gear 作名词,表示某项运动用的装备。
Make sure you bring all your safety gear when you go rock climbing.
用法提示:gear 在此为名词,意为安全装备或防护用具。
gear for sth
gear 表示“装备、用具”时通常不可数,常用 gear for sth 说明用途。
We bought warm gear for the winter climb.
我们买了冬季登山用的保暖装备。
in gear
in gear 指挡位已挂上、传动装置啮合;反义为 out of gear 或 in neutral(空挡)。
Leave the car in gear when you park on a hill.
相关词与表达Connections
搭配Collocations
- sports gear
- 运动装备
- He packed his sports gear into the car.他把运动装备装进了车里。
- camping gear
- 露营装备
- We bought new camping gear for the trip.我们为这次旅行买了新的露营装备。
- protective gear
- 防护装备
- Workers must wear protective gear on site.工人在现场必须穿戴防护装备。
- top gear
- 最高挡;高速挡
- The engine is noisy in top gear.发动机在最高挡时噪音很大。
- reverse gear
- 倒挡
学习提示Learner notes
语法说明Grammar Note
表示“装备、衣物”时不可数,不能加 a/an;表示“齿轮”时可数,多个齿轮用 gears。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3,建议结合例句记忆,而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.