Simplex pump
[化] 單缸泵
?? 詞語組成解析
simplex
['s?mpleks]
adj. 單純的，單一的;
n. 單層公寓;單形;
pump
[p?mp]
n. 抽水機(jī);打氣筒;泵;輕軟舞鞋;
v. 用泵輸送 ;涌出;急速搖晃;盤問;
??? 情景例句
Do you know anything about South American culture?
你了解南美洲的文化嗎？
I only need a thousand more pennies to buy my airplane.
我只要在有一千個(gè)一角的銅板，就能買一架飛機(jī)了。
Four hundred! That's a lot of money. But, just this once. After all, this ball is very important.
400法郎！這倒是很大一筆錢。不過，就只這么一次。要知道，這次舞會(huì)很重要啊。