A-c power supply
[電] 交流功率供應(yīng)
?? 詞語組成解析
power
['pa??]
n. [機(jī)]動力，功率;力量;政權(quán)，權(quán)力;強(qiáng)國，大國;
vt. 運(yùn)轉(zhuǎn);用發(fā)動機(jī)發(fā)動;使…有力量;
vi. 靠動力行進(jìn);快速行進(jìn);
adj. 權(quán)力的;機(jī)械能的，電動的;用電力（或動力）發(fā)動的;
supply
[s?'pla?]
vt. 供給;補(bǔ)充;彌補(bǔ)（缺陷、損失等）;向…提供（物資等）;
n. 供給物;儲備物質(zhì);糧食;
vi. 暫代他人職務(wù);
sup在下面+ply重疊，折疊→重疊下去→供應(yīng)[下去],補(bǔ)給
??? 情景例句
Please do the work at your own convenience.
請?jiān)诜奖銜r把這事做一做。
By the hands of many a great work made light.
眾擎易舉。
Last year was a bad year for the company. There was a big fall in sales.
去年公司不景氣。銷售額驟減。