layer-主題

layer

['leiə]

n.層 
vi.分層 
vt.將某物堆積成層 
n.產卵雞,[園藝]壓條 
vt.[園藝]用壓條法使(嫩枝)生根

例句與用法：

This layer of rock contains a lot of flint.

這一岩層中有大量燧石。

There is a fine layer of dust on the desk.

桌子上有一層薄薄的塵土。

The pollution had destroyed ozone layer and caused many changes in weather.

污染破壞了臭氧層，並引起了許多天氣變化。

Her husband is a brick layer.

她丈夫是個砌磚匠。

There are several layers of meaning.

有幾層不同的含意。

詞形變化：

動詞過去式: layered | 動詞過去分詞: layered | 動詞現在分詞: layering | 動詞第三人稱單數: layers |

英文解釋:

名詞 layer:

single thickness of usually some homogeneous substance

同義詞：bed

a relatively thin sheetlike expanse or region lying over or under another

an abstract place usually conceived as having depth

同義詞：level, stratum

a hen that lays eggs

thin structure composed of a single thickness of cells

動詞 layer:

make or form a layer

以上來源於大辭典