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propulsion

英式英标[prə\'pʌlʃən]
美式音标[prə\'pʌlʃ(ə)n]

n. 推进；推进力

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中文词源

propulsion 推进，推动

来自propel,推进，推动，-s,过去分词后缀。

英文词源

propulsion (n.): 1610s, "expulsion," noun of action formed from propuls-, past participle stem of Latin propellere "to propel" (see propel). Meaning "act of driving forward, propulsive force" first attested 1799.

中文解释

1、pro- "forward" + puls- "drive, push" + -ion.2、含义：push forward, drive forward, drive forth.

实用例句

1. The nineteenth century witnessed a revolution in ship design and propulsion.: 19世纪船舶设计和船舶动力领域发生了重大的变革。

2. Interest in jet propulsion was now growing at the Air Ministry.: 航空部对喷气推进的兴趣正在增加。

3. The liquids employed for rocket propulsion are called propergols.: 用于火箭发动机的液体称为液体火箭推进剂.

4. The propulsion system consists of five F - 1 engines.: 推进系统包括五个F -1 发动机.

5. The essential quality that dictates the choice of this propulsion system is readiness.: 决定选用这种推进系统的主要因素就是其简便性.

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