yellow discolouration

• 变黄

yellow discolouration的用法和样例：

例句

1. The leaves of the trees begin to yellow in September.
   树叶在九月开始变黄。
2. The doomed leaves pass through on their way to dingy, and yellow, and red.
   叶子注定要由暗淡而泛黄，然后变红。
3. This installment and the consumables use in appraising exudes the yellow probability in the transportation and the storage process China Textile Construction Company fabric.
   此装置和消耗品用于评估在运输和储存过程中纺织品泛黄的概率。