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。
- bipolar layer 双极(细胞)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。
- Perfectly normal bipolar embryoids are formed. 形成完全正常的两极胚状体。
- 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
- It will be a bipolar HVDC system using two cables. 它是一个使用双线的双电极HVDC系统。
- The world is not bipolar and maynever become so. 世界不是两极的，并且永远也不会是。
- CMOS, BiCMOS, DMOS, BCD and Bipolar for customers. DMOS 、BCD及双极等工艺平台。
- 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
- In the 1960s the IC market was broadly on bipolar transistors. 六十年代集成电路市场主要为双极型晶体管。
- That suggests the variant promotes susceptibility to bipolar disorder. 这就说明正是这种变体诱发了躁郁症。
- 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
