Serolysin
血清溶素
🗣️ 情景例句
Hello, Mrs. Herrera. Hi, Carl, how you doing?
你好，Herrera太太，嗨，Carl，你怎么样啦？
If he doesn't play, who will?
如果他不，谁要去玩？
Do you have any plans for the long weekend?
你有办法打发这个漫长的周末吗？