每周

我每周健身四次。

wǒ měi zhōu jiàn shēn sì cì.

I go to the gym four times a week.

图书馆每周都会采购大量新图书。

tú shū guǎn měi zhōu dū huì cǎi gòu dà liàng xīn tú shū.

The library buys a large amount of new books every week.

这家工厂每周生产500把椅子。

zhè jiā gōng chǎng měi zhōu shēng chǎn 500 bǎ yǐ zi.

This factory produces 500 chairs every week.