今天是星期三，昨天是星期二，明天是星期四。

Today is Wednesday, Yesterday was Tuesday. Tomorrow will be Thursday.

youdao

昨天是星期二。

Yesterday was Tuesday.

youdao

星期一是文迪雅，星期二是Tysabri，昨天是粉刺药异维甲酸，今天，我们会错过什么么？

There was Avandia on Monday, Tysabri Tuesday, and acne treatment Accutane yesterday. Are we missing something today?

youdao

星期一是文迪雅，星期二是Tysabri，昨天是粉刺药异维甲酸，今天，我们会错过什么么？

There was Avandia on Monday, Tysabri Tuesday, and acne treatment Accutane yesterday. Are we missing something today?

youdao