2 sentences

1. 古人常在夏天曝书以防虫蛀。

   gǔ​rén cháng zài xià​tiān pù shū yǐ​fáng chóng​zhù.

   The ancients often sun-dried books in the summer to prevent insect damage.

   Source: Dong Chinese Dictionary

2. 这种香可以入药，也能夹在书页里防止虫蛀。

   zhè zhǒng xiāng kě​yǐ rù yào, yě néng jiā zài shū​yè lǐ fáng​zhǐ chóng​zhù.

   This herb can be used as medicine or placed between book pages to prevent moth damage.

   Source: Dong Chinese Dictionary