Biohazard
n. 生物危害
🗣️ 情景例句
I'd be glad to tell you what I think.
很高兴告诉你我的想法。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
He was in the R.A.F.
他曾在皇家空军任职。