您要查找的是不是：
- The arch has a span of 60 metres. 那个拱的跨度为60米。
- The boy walks through the undecorated arch. 那男孩走过未经装饰的拱门。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- They considered him their arch opponent. 他们将他看成是主要对手。
- Marble Arch is a famous London landmark. 大理石拱门是著名的伦敦标志。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- Go through the arch and follow the path. 穿过拱门，沿著那条路走。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- Have you been to the Triumphal Arch? 你去过凯旋门吗？
- 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。
- The keystone in the crown of an arch. 拱顶石位于拱顶的塞缝石
- An arch over an entrance or passageway. 拱门，牌楼入口或通道上的拱顶
- The arch of short hairs covering this ridge. 眉毛覆盖于眉上的拱状短毛
- 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 pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子，支撑一个拱顶或屋顶
- 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
