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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。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- An indented or concave surface or area. 凹陷，洼地凹的表面或地区
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
- 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。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The trees come into leaf in spring. 春天，树木吐芽长叶。
- You should take a leaf out of Tom's book. 你应该学学汤姆。
- A leaf came upon her book as she was reading. 她正读著书,一片树叶落到她的书上。
- The trees are just beginning to leaf. 树刚刚开始长叶子。
- 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
- Not a leaf nor an insect stirred. 不单是树叶，连个虫子都不动。
- 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 giraffe eats tender leaf from the tree highly. 长颈鹿从高高的树上吃掉嫩树叶子。
- The palm of one's hand is slightly concave. 人的手掌是微凹的。
- The falling leaf spiralled to the ground. 落叶盘旋著飘到了地上。
- A concave surface, structure, or line. 凹面、凹形结构、或凹线
