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。
- 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 black mineral is an ore of niobium and tantalum. 一种黑色矿物是铌、钽矿石。
- 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
- Application: For tantalum sheet and wire etc. 用途:产品用于生产钽片,丝等加工材。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Low price compared to tantalum capacitors. 与钽电容器相比价格更低。
- 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
- Development of powdered tantalum of high specific capacitance. 电容器级钽粉的高比容化研究进展。
- Radioactivity tantalum, rely on strong ray to kill cancer cell. “镭”是什么东西？什么性状的？可以治疗癌症吗？
- The fine grain of pure tantalum can be obtained easily through PM. 粉末冶金法较易获得细晶粒组织。
- 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
- Application: For tantalum wire etc., and additive in alloy. 用途：产品用于生产钽片，丝等加工材，或作合金添加剂等。
- A layer of skin peeled off her sun-burnt back. 她晒黑的背上掉了一层皮。
