Laboratory(coordinate)system
[化] 实验室系; 实验室坐标系
🗣️ 情景例句
Not exactly.
还不一定。
I suppose it's difficult for you to do this.
我推测对你来说做这件事情是很困难的。
I shall never forget that extraordinary evening.
我永远忘记不了那个不平凡的夜晚。