The external layer of the skin is relatively impermeable to water.
相对电离层不透明度仪皮肤的外层不透水。
The impermeable layer has aged, we must find someone to repair it.
楼顶得防渗层已经老化，要请人来修理了。
The impermeable layer has aged, we must find someone to repair it.
楼顶的防渗层已经老化, 要请人来修理了。
英文例句大全为您提供impermeable layer英文例句大全,impermeable layer英文造句,关于impermeable layer的英语句子,单词impermeable layer怎么造句,impermeable layer英文例句大全有哪些,哪些英语句子是关于impermeable layer,英语单词impermeable layer的句子,单词impermeable layer如何造句,impermeable layer怎么造句等。