Hb.
[医] 血红蛋白
🗣️ 情景例句
If you don't think it's any good, Please say so.
如果你认为写得不好，请照实说。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
The weeks passed and the grass grew.
几个星期过去了，草长了起来。