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
Mmm-hmm. Thanks.
嗯。谢谢。
From words to deeds is a great space.
言行之间，大有距离。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。