layer
- 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
英英释意
- 1. single thickness of usually some homogeneous substance;
- "slices of hard-boiled egg on a bed of spinach"
- 2. a relatively thin sheetlike expanse or region lying over or under another
- 3. an abstract place usually conceived as having depth;
- "a good actor communicates on several levels"
- "a simile has at least two layers of meaning"
- "the mind functions on many strata simultaneously"
- 4. a hen that lays eggs
- 5. thin structure composed of a single thickness of cells