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- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Layered gravel and charcoal to make a filter. 将砂砾和木炭分层以做成过滤器
- But a layer outside the permafrost is suffering the human threat. 可是地球的外圈层正受到人类的威胁。
- 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。
- Methane Bubbling Up From Undersea Permafrost? 甲烷从海底永冻层带冒出？
- But it's also melting permafrost around the world. 但它也使世界各地的冻土融化。
- 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
- 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
- Thawing and refreezing each year, an active layer of soil lies over permafrost. 覆盖在永冻层上方的一层活冻层土壤，每年都会融化和重新冻结。
- This is the vegetational climate of arctic permafrost regions. 这是北极永冻地区的植物气候。
- Government in America is like a layered pyramid. 美国政府就像是分层的金字塔。
- Melting permafrost will hit existing and planned infrastructure. 冻土融化将冲击我们现有的和计划中的基础设施建设。
- The layered structure common to metamorphic rocks. 叶理象变质岩一样的岩石层状结构
- An example of a tipping point is the thawing of the permafrost. “气候引爆点”的一个例子就是永久冻土层的融化。
