Staphylococcolysin
葡萄球菌溶素
🗣️ 情景例句
The mall's packed today.
今天商场里的人很多。
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
Tom said that he was feeling ill.
汤姆说他不舒服。