Coarse vacuum
[化] 低真空
🧩 词语组成解析
coarse
[kɔrs]
adj. 粗鄙的;粗糙的;粗野的;粗制滥造的;
🗣️ 情景例句
He's living on easy street.
他过得很富裕。
The best teachers of humanity are the lives of great men.
启迪人性最好的导师是伟大人物的生活。
That was a long time ago,wasn't it?
那是好久以前的事了。是吗？