确保你带一条干净的内裤。

Make sure you bring a clean pair of ___pants.

每天我都去给宝宝买不同的内裤、鞋子、衬衫和所有需要的衣服。

Every day I went to buy different ___pants, shoes, shirts and all the clothes the baby needs.

棉质内裤穿起来很舒服。

Cotton ___pants are comfortable to wear.