Sectrometer
[机] 真空管滴定计
🗣️ 情景例句
Is it too early to call Mr. Carlson?
现在打电话给Carlson先生会不会太早了？
Look for a needle in a bundle (or bottle) of hay.
海底捞月。
Jack is trying to cut down on smoking.
竭克正竭力戒烟。