Biosafety
n. [常用作定语]生物研究安全性
🗣️ 情景例句
Did you enjoy yourself last weekend?
上周末你过得开心么？
Everything must have a beginning.
凡是都有起源。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。