Word · Frequency #21313
propulsion
推进；推动
核心释义
the act of propelling
- 1.
推进、驱动或推动的过程,通常向前或向前；推进力或冲量。
The process of propelling, driving, or pushing, typically forward or onward; a propulsive force or impulse.
- 2.
推进物；起推进作用的东西。
That which propels.
推进力；推动力；推进、驱动或推动的过程,通常向前或向前；推进力或冲量。；推进物；起推进作用的东西。；推进；推进力；[医] 前冲
用法In use
The boat's propulsion comes from a small electric motor.
用法提示：propulsion 作名词，表示推进力。
Engineers are testing a new system for the propulsion of the spacecraft.
用法提示：propulsion 为名词，指推进的行为或动力。
Strong propulsion helped the submarine move quickly through the water.
用法提示：propulsion 作名词，指推动力。
propulsion system
propulsion 常直接修饰表示设备的名词，构成如 propulsion system、propulsion engine 等说法。
The new ferry uses a hybrid propulsion system.
这艘新渡轮使用混合动力推进系统。
provide propulsion for [something]
相关词与表达Connections
搭配Collocations
- jet propulsion
- 喷气推进
- The new fighter jet uses advanced jet propulsion.新型战斗机使用先进的喷气推进。
- rocket propulsion
- 火箭推进
- Rocket propulsion is the only way to reach orbit.火箭推进是进入轨道的唯一方式。
- electric propulsion
- 电力推进
- The ferry runs on electric propulsion to reduce emissions.这艘渡轮依靠电力推进以减少排放。
- propulsion system
- 推进系统
- The propulsion system of the ship was overhauled last month.这艘船的推进系统上个月进行了大修。
- nuclear propulsion
学习提示Learner notes
记忆技巧Memory Tip
联想火箭尾部喷出强气流，像一股脉冲把飞行器向前推——propulsion 就是“推进（力）”。
语境与语域Context & Register
语域：formal 常见场景：航空航天工程、船舶技术、科技文献 propulsion 是较正式的科技用词，多用于工程、航天、船舶等领域，日常口语中较少见；医学中另指“慌张步态”。
发音与拼写Pronunciation & Spelling
All listed words end in a stressed /ʌlʃən/ (or /vʌlʃən/) and rhyme with propulsion. Watch out: 'pulse' /pʌls/, 'pulsar' /ˈpʌlsɑːr/, and 'compulsive' /kəmˈpʌlsɪv/ are lookalikes, but they end in /s/ or /sɪv/, not /ʃən/.
用法优先级Usage priority
Collins 词频等级为 1，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 ECDICT, WIKTIONARY.