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- 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
- The boy gobbled up an ice-cream cone. 那个男孩大口大口地吃完了一个蛋卷冰淇淋。
- 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 ice cream cone in the afternoon tided Mary over until supper. 玛丽下午吃的一个蛋筒冰淇淋帮她维持到了晚餐时分。
- The cone would then float up into the concave funnel and constrict the water passage, thus throttling its flow. 这时，浮子会浮起来进入倒扣的漏斗将水道收窄，以此限制水的流量。
- 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 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
- Having the shape of a cone resting on its apex. 陀螺形的形状象陀螺或倒置的圆锥的
- Now we cone to the main item on the agenda. 现在我们着手讨论议事日程上的主要议题。
- 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
- A large crater formed by volcanic explosion or by collapse of a volcanic cone. 火山口火山爆发而形成的环形山或大山核心部分的崩塌而形成的环形山
- Saw-dust piled up in a great cone. 锯屑堆积如山。
- Concave on both surfaces;biconcave.Used of a lens. 双面均凹进的；双凹的。用于指透镜
- Concave on one side and convex on the other. 一面凹进一面凸起的
- Convex on one side and concave on the other. 凸凹的一面凸一面凹的
- To the excellent concave and convex carving skill. 碑上的阴阳刻。
- An indentedor concave surface or area. 凹陷,洼地凹的表面或地区。
- The little boy licked the ice - cream cone. 小男孩舐着冰淇淋蛋卷。
