Word · Frequency #13027
cam
剑河
核心释义
a river in east central England that flows past Cambridge to join the Ouse River
- 1.
一种转动或滑动的零件,通过与杆、杠杆或块体形成滑动或滚动接触而向其传递运动。
A turning or sliding piece which imparts motion to a rod, lever or block brought into sliding or rolling contact with it.
- 2.
在电影院里非法录制的电影。
A bootleg recording of a film recorded in a movie theater.
- 3.
英格兰中东部的一条河流,流经剑桥后汇入乌斯河
a river in east central England that flows past Cambridge to join the Ouse River
- 4.
一种弹簧驱动的凸轮装置,用于在岩石裂缝中实现临时保护点。
A spring-loaded camming device, a spring-loaded device for effecting a temporary belay in a rock crevice.
- 5.
将圆周运动转换为直线运动的旋转盘
a rotating disk shaped to convert circular into linear motion
一种转动或滑动的零件,通过与杆、杠杆或块体形成滑动或滚动接触而向其传递运动。;在电影院里非法录制的电影。;英格兰中东部的一条河流,流经剑桥后汇入乌斯河;一种弹簧驱动的凸轮装置,用于在岩石裂缝中实现临时保护点。;将圆周运动转换为直线运动的旋转盘
用法In use
The Cam flows gently through the city of Cambridge.
用法提示:Cam 为名词,在句中作主语,指剑河这一条河。
My family rented a rowboat and spent an hour on the Cam.
用法提示:Cam 作介词 on 的宾语,是名词,表示剑河。
If you stay near the Cam, you can hear birds singing in the morning.
用法提示:Cam 在介词 near 后作宾语,为名词,指剑河。
There is a cam in/on + noun
there be 句型用于说明某处存在某物,冠词用 a/an。
There is a cam on the shaft.
轴上有一个凸轮。
The cam + verb + object
定冠词 the 特指已知或前述的凸轮,后接动词及宾语。
The cam opens the valve.
相关词与表达Connections
搭配Collocations
- the River Cam
- 剑河
- We took a walk along the River Cam.我们沿着剑河散步。
- punt on the Cam
- 在剑河撑船
- Tourists love to punt on the Cam during summer.游客喜欢在夏天到剑河撑船。
- the banks of the Cam
- 剑河河岸
- The banks of the Cam are lined with college buildings.剑河河岸两旁学院建筑林立。
- a boat trip on the Cam
- 乘船游览剑河
- We went on a boat trip on the Cam to see the colleges.我们乘船游览剑河,欣赏各学院的风光。
- the Cam towpath
学习提示Learner notes
记忆技巧Memory Tip
cam 是 camera(相机)的开头:镜头凸起像凸轮,记住凸轮是 cam。
语境与语域Context & Register
语域:neutral 常见场景:geography、travel、history 根据给出的英文释义,cam 指英格兰的剑河(River Cam),为专有名词,通常首字母大写,多用于地理、旅游或历史语境。
发音与拼写Pronunciation & Spelling
这些词与 cam 的重读元音 /æ/ 和尾音 /m/ 相同,都押韵:ham、jam、ram、yam、dam、lamb。注意 lamb 的 -mb 中 b 不发音。拼写像但读音不同的常见词有 came /keɪm/、calm /kɑːm/、comb /koʊm/,不要按 -am 读。
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 ECDICT, WIKTIONARY.