您要查找的是不是：
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- Have you turned off the water valve? 你关掉水阀了吗？
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- 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。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- 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。
- Not a leaf nor an insect stirred. 不单是树叶，连个虫子都不动。
- 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 falling leaf spiralled to the ground. 落叶盘旋著飘到了地上。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- A leaf or a plant part that evolved from a leaf. 叶，叶原体，叶性器官从叶子发育而成的叶子或植物部分
- The exhaust valve on my car have burn out three times. 我车子上的排气阀已烧坏三次。
- Shaped like a sword, as the leaf of an iris. 剑形的，如鸢尾属植物的叶子
