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- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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。
- dentate layer 齿状层
- 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。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- 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
- Leaves short petiolate, dentate. 叶短叶柄，具牙齿。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Pseudostaminodes indistinctly dentate at apex. 假退化雄蕊不清楚的有齿的在先端。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物，如鱼鳞
- Having a cortex or a similar specialized outer layer. 有皮的有皮的或具有相似的专门发育的外部覆盖的
- Leaf blade ovate, margin coarsely dentate, apex caudate-acuminate. 叶片卵形，边缘具粗牙齿，先端尾状渐尖。
- Stipules persistent, often becoming a rounded, dentate bract. 托叶宿存，经常成为一圆形，有齿的苞。
- Leaves cordate-ovate to lanceolate, papery, margin dentate. 叶心形的卵形的到披针形，纸质，边缘具牙齿。
- Calyx lobes 3, wider than long, margin distinctly dentate. 萼裂片3，长不及宽，边缘明显具牙齿。
- A coat or layer enveloping an organ or a part. 被膜一种覆盖器官或身体部位的覆盖层或包被
- Calyx small, membranous, truncate or sinuate dentate. 小的花萼，膜，削去或具牙齿。
