Laboratory(coordinate)system
[化] 实验室系; 实验室坐标系
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Why did you move there?
为什么搬到那里去？