middle是可數名詞嗎

Take a sheet of paper and draw a line down the middle.

拿出一張紙，在中間畫一條線。

She's the middle child of three.

三個孩子，她是老二。

The village has a history going back to the Middle Ages.

這個村子的歷史可追溯至中世紀。

I should have finished by the middle of the week.

我在這周過半的時候應該就能完成。

His eyes were fixed on a small house in the middle distance.

他凝視着不遠處的一座小房子。