Micromilligram
[医] 毫微克, 纤克
🗣️ 情景例句
This job is back-breaking work.
这份工作强度很大。
Friends may meet, but mountains never greet.
朋友可相逢，高山永分离。
No, thanks. I've had enough.
不啦，谢谢。我已经吃饱了。