Ab.
[医] 抗体
🗣️ 情景例句
Hello, Mrs. Herrera. Hi, Carl, how you doing?
你好，Herrera太太，嗨，Carl，你怎么样啦？
Today is my birthday.
今天是我的生日。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”