星期三在星期二和星期四之间。

Wednesday is between Tuesday and Thursday.

星期二和星期四我要上健身课.

Tuesday and Thursday I have my fitness class, though.

星期二和星期四, 他做模型飞机.

On Tuesday and Thursday, he makes model planes.

会议在星期二和星期四于大礼堂举行.

The meetings are on Tuesdays and Thursdays in the main hall.

我喜欢星期二和星期四。我们有美术课。

I like Tuesdays and Thursdays. We have art class.

一种更为严肃的反对意见是，我的日记似乎在支持我设法驳斥的理论：在星期二和星期四这两个我情绪不佳的日子，我的工作也很糟糕。

A more serious objection is that my entries seem to support the theory that I'm trying to disprove: on my miserable days - Tuesday and Thursday - my work was bad too.