Streptobacterin
[医] 链球菌菌苗
🗣️ 情景例句
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
Twenty people had already left.
有20个人已经离去。