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- concave interlocking cutter 凹形联锁铣刀
- His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- interlocking cutter 联锁刀,联锁刀具
- convex interlocking cutter 凸状联锁铣刀
- The coastguard cutter cruise along the coast look for smuggler. 海岸警卫队缉私艇沿海巡逻搜寻走私犯。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- An interlocking or entanglement of elements or parts. 连接各因素或部分的连接或纠结
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A complicated construction of interlocking letters. 联锁的信一个复杂的建筑。
- A depression similar to that in a shallow concave container for food. 凹形，凹面与浅的凹型盛食物的容器相似的凹处
- The palm of one's hand is slightly concave. 人的手掌是微凹的。
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
- They are bailing out the cutter. 他们正在把小艇里的水往外舀。
- Its interlocking teeth would spring open or jam. 拉链上互相啮合的齿能拉开也能合拢。
- Engagement is the state or act of interlocking. 啮合是互锁的状态或动作。
- Concave on both surfaces;biconcave.Used of a lens. 双面均凹进的；双凹的。用于指透镜
- The Olympic symbol is the five interlocking rings. 奥林匹克的标志是五个相连的圆环。
- The cutter was bearing down the channel at 12knots. 快艇以每小时12海里的速度从向风的一侧驶近海峡。
- Concave on one side and convex on the other. 一面凹进一面凸起的
