Laboratory(coordinate)system
[化] 实验室系; 实验室坐标系
🗣️ 情景例句
It doesn't mean you have to be a doctor.
这并不意味着你一定要当医生。
It can't be helped.
没办法了。
And, because most books were not printed in Braille.
因为大多数的书本没用布莱叶文印刷。