Coarse vacuum pump
[化] 低真空泵
🧩 词语组成解析
coarse
[kɔrs]
adj. 粗鄙的;粗糙的;粗野的;粗制滥造的;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Tom's about to open the doors. Tom
准备要开门了。
He must have three more weeks of rest before he is released.
他在出院以前，还需要三周时间的静养。
Dad will take me to our home town in Jiangxi. We'll visit our grandparents there.
爸爸将带我到江西老家去。我们将去看望在那里的祖父母。