Word · Frequency #21313
propulsion
推进；推动
the act of propelling
- 1.
The process of propelling, driving, or pushing, typically forward or onward; a propulsive force or impulse.
推进、驱动或推动的过程,通常向前或向前；推进力或冲量。
- 2.
That which propels.
推进物；起推进作用的东西。
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
In use
The boat's propulsion comes from a small electric motor.
Engineers are testing a new system for the propulsion of the spacecraft.
Strong propulsion helped the submarine move quickly through the water.
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]
The engine provides propulsion for the boat.
发动机为这艘船提供推进力。
a means of propulsion
表达“推进方式或手段”时，常用 a means of propulsion 这一短语。
Connections
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
- 核动力推进
- Nuclear propulsion enables submarines to travel long distances without surfacing.核动力推进使潜艇能够在水下长距离航行而无需上浮。
Synonyms
Learner notes
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）”。
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”。
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/.
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。
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.