Nchs
[医][=National Center for Health Statistics]全国卫生统计中心，全国健康状况统计中心
🗣️ 情景例句
When can we go fishing?
我们什么时候去钓鱼？
Doctors and lawyers are professional people.
医生和律师是专业人员。
It's a pleasure.
我很高兴。