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- prevent leaf scorch 防治叶焦病
- First sign of potassium deficiency is the loss of the normal green color at the leaf tips．This is followed by a necrosis or“leaf scorch”. 最初的缺钾症状是叶尖失去正常的绿色，随后发生坏死或呈烧焦状。这些症状首先出现在基部的枝条或果枝的叶片上，以后逐渐向嫩叶发展。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
- The authorities took measures to prevent tax fraud. 当局已采取措施防止偷税漏税。
- Does prison do anything to prevent crime? 采取关押方法对制止犯罪有作用吗？
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Stir the sauce to prevent it lumping. 把沙司搅拌一下以免结块。
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- We should take steps to prevent war. 我们应当采取措施制止战争。
- 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。
- Nobody can prevent him from running the risk. 没有人能够阻止他去冒险。
- 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
- Seal (up) the window to prevent draughts. 把窗户封起来以防风。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- Haste make work which caution prevent. 匆忙专干不谨慎的事。
- 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。
