您要查找的是不是：
- A dyke was built to retain the floods. 修了一道堤壩擋住洪水。
- This layer of rock contains a lot of flint. 這一巖層中有大量燧石。
- The inner layer of the wall of a spore. 孢子內壁孢子壁的內層
- There is a fine layer of dust on the desk. 桌子上有一層薄薄的塵土。
- The mental faculty of retaining and recalling past experience. 記憶，記憶力儲存與回憶以往經(jīng)歷的大腦之能力
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中間通常含肉較多的那一層
- The bottom layer is a mixture of sand and clay. 最下面的一層是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的東西都蓋了一層薄薄的灰塵。
- I retain a clear memory of those days. 我還清晰地記得那些日子。
- A layer, as of doubled-over cloth or of paperboard. 一層一層，如折疊過(guò)的布料或紙板的
- A surface, layer, or mass of frozen water. 冰面凍結的水的面、層或塊
- He has managed to retain most of his fortune. 他設法保存了他的大部分財產(chǎn)。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它組織的薄層
- Concentrated study will help you to retain knowledge. 專(zhuān)心學(xué)習有助于你記住知識。
- Dicotyledonous plants retain a series of strands. 雙子葉植物中保留著(zhù)一系列的束。
- A thin, flat layer or scale, as that of a fish. 外表組織薄而平的一層或鱗狀物，如魚(yú)鱗
- Refit the handwheel retaining screw. 重新裝置手輪固定螺絲。
- Reinstall handwheel and secure with retaining bolt. 重新安裝手輪，用固定螺栓加固。
- What should I do? Retain the red door? 現在門(mén)已經(jīng)刷上紅色了，怎么辦?
- I cannot retain so much information. 我不能記住這么多的信息。
