您要查找的是不是：
- 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。
- tertiary layer 三生细胞壁
- 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。
- Developing the tertiary industry. 加快发展第三产业。
- 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
- China StatistlcalYearbook of The Tertiary Industry. 中国第三产业统计年鉴。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Tertiary education follows secondary education. 高等教育紧跟中等教育。
- Developing the tertiary industry? 加快发展第三产业。
- This might be called a “tertiary structure. 这可能是所谓的“三级结构”。
- Diagnosis: tertiary neurosyphilis-general paresis. 诊断为三期神经梅毒麻痹性痴呆。
- 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
- Other tertiary institutions also offer degree courses in education. 其他高等教育院校亦有开办教育学位课程。
- 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
- Tertiary treatment comprises a series of physicochemical steps. 三级处理包括一系列物理化学处理步骤。
