Hantigen
鞭毛抗原
🗣️ 情景例句
I don't know how to thank you enought.
我不知道应该如何感谢你。
No practice, no gain in one's wit.
吃一堑，长一智。
In the process, he enjoyed himself thoroughly and kept telling everybody how much he hated hospitals.
在晚会上他尽情娱乐，一再告诉大家他是多么讨厌医院。