他小心地打开了包皮。

He carefully opened the wrapper.

这个糖果的包皮很漂亮。

The candy's wrapper is very pretty.

请把包皮扔进垃圾桶。

Please throw the wrapper into the trash can.

你可以用这个包皮来包礼物。

You can use this wrapper to wrap a gift.

这个包皮很难撕开。

This wrapper is hard to tear open.

医生向父母解释了包皮的功能。

The doctor explained the function of the foreskin to the parents.

他注意到他的包皮下有一些包皮垢。

He noticed some smegma under his foreskin.

外科医生在手术前仔细检查了包皮。

The surgeon carefully examined the foreskin before proceeding with the operation.

一些文化出于宗教原因进行包皮切除。

Some cultures practice the removal of the foreskin for religious reasons.

如果不正确清洁，包皮有时会引起感染。

The foreskin can sometimes cause infections if not cleaned properly.