Biosecurity
生物安全
🗣️ 情景例句
Well, I do care about Michelle.
是的， 我真的关心 Michelle。
The remembrance of past sorrow is joyful.
记住过去的不幸使人愉快。
Yes. Did you listen to the weather report on the radio?
是的。你收听了电台的天气预报吗？