Etr
[医][=effective thyroxin(e)ratio]有效甲状腺素比率
🗣️ 情景例句
I understand.
我了解。
They who cannot do as they would, must do as they can.
不能为所欲为者，也当尽力而为之。
That's a nice plane. Whose is it?
这个飞机很漂亮，是谁的呀？