您要查找的是不是：
- Serous layer of peritoneum 腹膜浆膜层
- Serous layer of parietal peritoneum 壁层腹膜浆膜层
- Serous layer of pelvic peritoneum 盆腔腹膜浆膜层
- Serous layer of visceral peritoneum 内脏腹膜浆膜层
- 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。
- 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
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- There are several layers of meaning. 有几层不同的含意。
- A layer of skin peeled off her sun-burnt back. 她晒黑的背上掉了一层皮。
- The growth of successive layers of a cell wall. 敷着，附着细胞壁连续层的生长
- The altitude of the lowest layer of clouds. 云幕高度最低层云的海拔高度
- This cake has a layer of chocolate in the middle. 这蛋糕中间有一层巧克力。
- The grind is covered in a pristine layer of snow. 地上覆盖著一层皑皑积雪。
- This seam of coal reposes on a layer of clay. 这个煤层处于一层黏土岩之上。
- A layer of mortar upon which stones or bricks are laid. 灰浆层一层铺放石头或砖的砂浆层
- The ground was covered in a pristine layer of snow. 地上覆盖着一层皑皑积雪.
- They drilled through several layers of rock to reach the oil. 他们钻透了几层岩石以寻找石油。
