Coarse vacuum pump

[化] 低真空泵

?? 詞語組成解析

coarse [k?rs]
adj. 粗鄙的;粗糙的;粗野的;粗制濫造的;
vacuum ['v?kj??m]
n. 真空;空白;空虛;清潔; v. 用真空吸塵器清掃;
vac空+uum表名詞 →空虛;真空
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

Danger.
小心,危險。
To examine the problem
檢討問題
For men accustomed to eating seven-course dinners and sleeping between fine linen sheets at home, the change to the Alps must have very hard indeed.
對于過慣了一頓飯吃7道菜、睡亞麻細布床單的人來說,變換一下生活環境來到阿爾卑斯山山區,那一定是很艱難的。
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