变黄的英文

flavescence
◇变黄指数 yellowness index

• 变:    become different; ...
• 黄:    yellow
• 变黄, 泛黄:    yellow discolourat ...

例句与用法

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1. September was crisping the berlin air and yellowing the leaves when pug got back .
   帕格回去的时候，柏林的九月空气清新，树叶正在变黄。
2. Washington is still incredibly hot and muggy, though the leaves have started turning .
   华盛顿依旧非常闷热，潮湿，尽管树叶已经开始变黄。
3. He looked back once, up that endless vista of autumn lane between the yellowing hedges .
   他一度回头望望夹在变黄树篱中间的那条无穷无尽的秋色小径。
4. This substance is bleached by the action of light and converted into a yellow and finally a white material .
   这种物质被光脱色而变黄，最后成为一种白色的物质。
5. Botanists have long known that the development of seeds and fruits often causes leaves to turn yellow and die .
   长期以来植物学家认为种子和果实的发育往往使叶子变黄和枯死。