Wet vacuum pump
[化] 濕式真空泵
?? 詞語組成解析
wet
[w?t]
adj. 濕的;下雨的;懦弱的;（兒童）尿濕尿布的;
n. 濕地;液體;窩囊廢;雨天;
vt. 使潮濕;把…弄濕;
pump
[p?mp]
n. 抽水機;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
We need a stable political environment in which to develop our economy.
我們需要一個穩(wěn)定政治環(huán)境來發(fā)展經(jīng)濟。
She feared the arrival of the bill-collector.
她害怕收帳人來。
It seemed that one bee was able to communicate the news of food to other bees in its hive.
似乎一只蜜蜂能夠把食物的信息傳遞給蜂箱里的其他蜜蜂。