Hvl
[医] 半值层, 半价厚度
🗣️ 情景例句
No detail was overlooked.
任何细节都没有忽视。
All your life you make many friends.
一生能结交许多的朋友。
Our friends Julie and Jack were there, too.
我们的朋友朱莉和杰克也去了。