propulsion
音标：
英音/ prəˈpʌlʃ(ə)n / 美音/ prəˈpʌlʃn /
听听基本释意：
外刊例句：
Nasa officials also said they have brought in external experts in propulsion systems to analyse data from the troubled craft.
美国宇航局官员还表示，他们已聘请外部推进系统专家来分析陷入困境的飞船的数据。
—BBC
The crew urgently reported to local authorities that they had lost power and propulsion.
船员们紧急向当地政府报告，他们失去了动力和推进力。
—New York Times
In January, the US company Astrobotic despatched its Peregrine mission but couldn’t even attempt a landing after developing a propulsion fault.
一月份，美国公司 Astrobotic 派出了 Peregrine 任务，但在出现推进故障后甚至无法尝试着陆。
—BBC
基本释意：
none
none
推进；推进力
同义词：
没有找到同义词
短释义：
The noun propulsion came from the Latin prōpellere, “to push away.” The modern meaning of propulsion meaning “the act of moving forward” was first recorded in 1799. In water, flippers, fins, and the wind can aid propulsion. In a general sense, if society is to move forward, we must stop using fossil fuels as our main means of propulsion.
推动某物前进的行为称为推进力。推进力是将火箭推入太空的力量，将足球送向接球者手中的螺旋状力量，并将大力踢腿的游泳者推入水中的力量。
长释义：
The noun propulsion came from the Latin prōpellere, “to push away.” The modern meaning of propulsion meaning “the act of moving forward” was first recorded in 1799. In water, flippers, fins, and the wind can aid propulsion. In a general sense, if society is to move forward, we must stop using fossil fuels as our main means of propulsion.
名词推进来自拉丁语 prōpellere，“推开”。推进的现代含义是“前进的行为”，最早记录于 1799 年。在水中，脚蹼、鳍和风可以帮助推进。一般来说，如果社会要向前发展，我们就必须停止使用化石燃料作为我们的主要推动手段。
文学例句：
Out of the open doorway and an open second-story window thin curls of smoke came without propulsion to fade in the air.
淡淡的烟雾从敞开的门口和二楼的一扇敞开的窗户里冒出来，没有任何推动力，就在空气中消散了。
—Dashiell Hammett: “An Inch and a Half of Glory.” by Dashiell Hammett
For nearly two miles the Warrior carried away, until, deprived of the means of propulsion, she lay, a battered hulk, surrounded by her enemies.
勇士号被带走了近两英里，直到失去了推进装置，她变成了一个被敌人包围的破烂不堪的废船。
—With Beatty off Jutland
A Romance of the Great Sea Fight by Westerman, Percy F. (Percy Francis)
After that he turned his attention almost exclusively to the propulsion of vessels by steam, visiting England and France, but obtaining no pecuniary advantage from the experiments he proposed or consummated.
此后，他几乎完全将注意力转向蒸汽推进船舶，访问了英国和法国，但没有从他提出或完成的实验中获得任何金钱利益。
—The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 2 by Whymper, Frederick
词源：
propulsion (n.)1610s, “expulsion, action of driving away” (a sense now obsolete), noun of action from propuls-, past-participle stem of Latin propellere “to propel” (see propel). The meaning “act of driving forward; propulsive force” is attested by 1799.Related entries & more
下面是词源的翻译（机器翻译比较难翻，参考着看）
propulsion (n.)1610s，“驱逐，驱赶的动作”（现在已经过时），来自 propuls- 的动作名词，拉丁语 propellere 的过去分词词干“推进”（参见 propel）。 1799 年证实了“向前行驶的行为；推进力”的含义。相关条目及更多
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