Prime mover
[機] 原動機
?? 牛津釋義
prime mover
(a) fundamental source of power for providing movement, such as wind or water 原動力（產生動力的力, 如風力或水力）.
(b) person who originates a plan, course of action, etc and has it put into practice （計畫、 行動等的）發起者, 推動者
He was the prime mover in the revolt against the government. 他是這場反政府叛亂的煽動者.
?? 詞語組成解析
prime
[pra?m]
adj. 最好的;首要的;最初的;基本的;
n. 精華;初期;全盛時期;青年;
vt. 使準備好;填裝;事先指導;
adv. 極好地;
vi. （為槍炮）裝火藥;涂底漆;修剪樹枝;注水入泵引起;
prim第一，主要的+e → 最初的，基本的
mover
[['mu:v?]]
n. 移動的人, 原動力, 鼓動者
??? 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他來美國時，口袋里只有40美元。
I ask him to do the washing now.
我要求他現在做洗滌工作。
The sweater is of good quality.
這件毛衣質地很好。