Biohazard
n. 生物危害
🗣️ 情景例句
I have interviews until noon,
我从现在到中午， 有一系列的面谈，
It is my pleasure to introduce the keynote speaker for today.
我很荣幸地介绍今天的主讲人。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。