Layer
[ 'leiə ]
第1级
其它 Other
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
📝 例句
As the air proceeds along the test section the boundary layer thickens.
当空气沿着试验段流动时附面层逐渐变厚。
A thin layer of ice is formed over the lake.
湖面上凝结了一层薄冰。
As a crystal grows, atoms are added layer upon layer following the same pattern.
随着晶体不断增长，原子以相同的图式一层接一层地叠加上去。
A layer of coarse gravel is often placed around the drain tile.
常常在排水瓦管周围铺一层粗石砾。
A fine layer of dust covers everything.
所有的东西都盖了一层薄薄的灰尘。
🌱 联想助记
【记】※ lawyer-律师,layer-阶层:律师为不同阶层的人服务
※ lay-分配、方向,er-“…者”:分配者也是铺设者,同样很有层次
✅ 同义词
📖 牛津释义
layer
n
1 thickness of material (esp one of several) laid over a surface or forming a horizontal division 层（尤指数层中之一）
Several thin layers of clothing will keep you warmer than one thick one. 穿几层薄的衣服总比穿一层厚的衣服暖.
a layer of dust on the furniture 家具上的一层尘土
a layer of clay in the earth 地下的一层黏土
remove layers of old paint 去除层层旧颜料. =>illus 见插图.
2 (preceded by an adj 用於形容词之後) hen that lays eggs 产卵鸡; 卵用鸡
apoor, good, etc layer 产卵少、 多...的鸡.
3 (in gardening) shoot2(1) fastened down for layering （园艺）压条. layer, v [Tn]
1 arrange (sth) in layers 将某物积成层
layer lime and garden clippings to make compost 把石灰和修剪下的枝叶分层堆积做堆肥
layered hair, ie cut to several differing lengths 分层削短的头发.
2 (in gardening) cause (a shoot2(1)) to take root while still attached to the parent plant （园艺）用压条法使（嫩枝）生根.
🎯 考研助记
lay(放)+er(者)：铺的东西- 层
🔁 扩展释义
*['leiә]n. 层, 产卵鸡, 放置者vt. 分层堆积, 压植【计】 层【医】 层
🏥 医学释义
①层，涂层 ②敷设机
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？
You'll be all right soon.
你很快就会好的。
What happened before printing was invented?
印刷术发明以前是怎么一回事？