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- To propagate(a plant) by means of a layer. 用压条法培育（植物）
- They started a newspaper to propagate their ideas. 他们办了一份报纸来宣传他们的主张。
- 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。
- Missionaries went far afield to propagate their faith. 传教士到远方去传播其信仰。
- 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。
- We can graft, divide, or layer to propagate the crops. 我们可以采用嫁接、分株、压条等多种方式来提高作物产量。
- Insects propagate themselves by means of eggs. 昆虫以产卵繁殖后代。
- The trees propagate themselves by cuttings. 那些树以插枝来繁殖。
- 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
- Plants won't propagate in these conditions. 植物在这种条件下不能繁殖.
- The trees will propagate themselves by the reproduction of their seed. 这些树将通过种子的再生而自行繁殖。
- 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
- To propagate(a crop) from ratoons. 使长根蘖截根栽培（作物）
- The worst ones can propagate crime and sex. 下焉者诲盗诲淫，
