Hvl
[医] 半值层, 半价厚度
🗣️ 情景例句
Absolutely not.
绝对不必。
A good dog deserves a good bone.
有劳得奖。
It's just the matter of the schedule,that is,if it is convenient of you right now.
如果你们感到方便的话，我想现在讨论一下日程安排的问题。