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- There are several layers of meaning. 有几层不同的含意。
- The growth of successive layers of a cell wall. 敷着，附着细胞壁连续层的生长
- 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。
- They drilled through several layers of rock to reach the oil. 他们钻透了几层岩石以寻找石油。
- 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
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- The form of combination can be changed freely. 组合形式可以根据需要灵活多变。
- Characterized by the addition of layers of woody tissue. 外长植物的具有木质组织层增加的特点的
- 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。
- The process of combining incoming messages into a single message. 将输入的多个报文合并成一条报文的过程。参阅concentrator。
- The baby is cocooned in several layers of shawls . 把婴儿包裹在好几层围巾里。
- The product or result of combining; a combination. 合成的产物或结果；合成物
- I filled it with several layers of batting, making it puffy-cloud soft. 我在里面填了好几层棉絮，让它象云絮一般柔软。
- Under the crust are many layers of hard rock. 在地壳的下面是许许多多坚硬的岩石层。
- There are many layers of knowledge. 认识有许多层次。
- B-the layers of wood together with glue. 用乳胶把一层层木板粘合起来。
- To glue together(layers of wood)to make plywood. 把（木片层）粘合成胶合板
