感冒时，她总是用纸巾擦鼻涕。

She uses ___tissues to blow her nose when she has a cold.

皮肤组织保护我们的身体免受外部伤害。

The skin ___tissues protect our body from external injuries.

她用餐巾纸轻轻包住刚洗过的苹果。

She gently wrapped the freshly washed apple in ___tissues.