Power meter
功率表，功率測量計，瓦特表
?? 詞語組成解析
power
['pa??]
n. [機]動力，功率;力量;政權，權力;強國，大國;
vt. 運轉;用發動機發動;使…有力量;
vi. 靠動力行進;快速行進;
adj. 權力的;機械能的，電動的;用電力（或動力）發動的;
??? 情景例句
I see.
哦。
That's a book.
那是一本書。
I joined in the march and we were marching peacefully along and then the police came up.
我參加了游行，我們以和平的方式往前行進，這時警察突然來了。