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- keratohyaline layer stratum granulosum epidermidis 表皮粒层
- Stratum corneum means "horny layer". 角状的“层”组织即“角质层”。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- layered strata 层状地层
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- A layer, as of doubled-over cloth or of paperboard. 一层一层，如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- To expose(rock strata)by erosion. 剥蚀因腐蚀而露出（石层）
- They belong to the rich strata and never work. 他们属于富裕阶层，不干活。
- They represent all social strata . 他们代表各个社会阶层。
