Bioactivator
生物活性剂
🗣️ 情景例句
What are the chances of my getting on the next flight?
我登上下一次航班的可能性有多大？
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
Yes, I think we do. Lucy, we need some more tea. Can you get some, please?
我想我们还要些茶。露西，我们还要些茶。请你去沏些茶，行吗？