Hantigen
鞭毛抗原
🗣️ 情景例句
That sounds reasonable. Let me think it over. And I'll call you back to make reservations.
听起来价钱还算公道。让我考虑一下，我会再打电话预定。
I'm afraid you will miss your train.
我怕你会错过火车。
Lily, do you have a ruler?
莉莉，你有尺子吗？