Hantigen
鞭毛抗原
🗣️ 情景例句
Nothing much.
没什么要紧的事。
Kindness is the golden chain by which society is bound together.
善良是连结社会的金链。
In addition to all her other qualifications, Bessie was an expert cook.
贝西除了有各种本领以外，还是一个烹饪大师。