Hb.
[医] 血红蛋白
🗣️ 情景例句
that will bring parents and teachers together once a week
让家长们及教师每星期一次
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
We had it after school.
我们放学后开的。