Nccls
[醫(yī)][=National Committee for Clinical Laboratory Standards]全國臨床實驗標準委員會
??? 情景例句
I reminded him to work hand.
我提醒他要用功。
What's this?
這是什么？
Though this caused great mirth among the guests, Aunt Harriet was horrified.
這件事引起了客人們的歡笑，但哈麗特卻著實嚇了一跳。