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。
- selenium layer 硒层
- 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。
- Or: What a lovely digital vidicon! 多么可爱的数码摄像机啊!
- Add a vidicon in punch workshop. 冲床车间增加一个摄像机.
- Add a vidicon in the waiting room in the hall. 大厅等候处增加一个摄像机。
- He didn't have a digital vidicon. 他曾没有一台数码摄像机。
- 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
- Study of selenium content in Osmunda L. 薇菜含硒量的研究。
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- Add a vidicon around the factory. 厂区外围增加一个摄像机。
- Selenium Deficiency the Inner Cause of Avian Flu? 是什么导致禽流感?
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Vidicon was developed in the 1950's. 视像管是在二十世纪五十年代发明的。
- What fruit contains selenium element most? 什么水果含硒元素最多?
- What fruit filling zinc and Selenium? 什么水果补锌和硒?