一层的英文：
layer

参考例句：

A layer of jam
一层果酱

A cushion of moss
一层青苔

A veil of mist
一层薄雾

A coating of wax,chocolate,paint
一层蜡、巧克力、颜料.

a pond skimmed with ice
结了一层冰的水池

There was a veil of mist over the mountains.
山上覆盖着一层薄雾。

A peach skin is covered with fuzz.
桃上有一层细毛.

a garbage slick.
一层飘浮的垃圾

There is a film of mould over the bottle cap.
瓶盖上有一层薄薄的霉菌。

The pond filmed over with ice.
池塘里结了一层冰。

layer是什么意思：
n. 层；产卵鸡；卵用鸡；层次；阶层；地层
v. 分层放置，形成层次；用压条法培植

This hen is a good layer.
这只母鸡下蛋多。

BL ( Bridge-Layer)
架桥装置

Onions have layers, you get it?
洋葱是有层次的，你明白了吗？

These layers are called strata.
这些岩层被称作地层。

A layer or series of layers of sediment deposited in a body of still water in one year.
纹泥，季候泥一年中沉积在寂静水中的一层或几层沉淀物