Nccls
[医][=National Committee for Clinical Laboratory Standards]全国临床实验标准委员会
🗣️ 情景例句
He is in trouble all the time.
他总是有麻烦。
Thank you for coming.
谢谢你光临。
Oh no!I'd like Chinese tea with nothing in it,please.
不了！我爱喝什么也不加的中国茶。