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。
- The kitten tangled the ball of yarn. 猫把线团儿弄乱了。
- 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。
- The basic structural unit of yarn is the fiber. 纤维是纱的基本结构单元。
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- The kitten tangled the ball of yarn . 猫把线团儿弄乱了。
- What is the type of yarn used in your pink swatch? 你们的粉色坯布用的是什么类型的纱线？
- Use and heap headdress of yarn skills. 头饰的使用及堆纱的技巧。
- A layer of skin peeled off her sun-burnt back. 她晒黑的背上掉了一层皮。
- A unit of fineness for rayon, nylon, and silk fibers, based on a standard mass per length of 1 gram per 9,000 meters of yarn. 丹尼尔测量纤维、尼龙或丝的光洁度的单位，每9,000米线重1克称作为丹尼尔。
- There are several layers of meaning. 有几层不同的含意。
- 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 growth of successive layers of a cell wall. 敷着，附着细胞壁连续层的生长
- 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
