Hb.
[医] 血红蛋白
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
Every man has a fool in his sleeve.
聪明一世，糊涂一时。
Christmas Day always begins before breakfast.
圣诞节活动总是在早餐前就开始了。