disease and pests

• 主要害虫

disease and pests的用法和样例：

例句

1. Contarinia Citri Barnes is one of the main pests for mango in Yunnan.
   柑桔花蕾蛆是云南芒果的主要害虫之一。
2. Rice planthopper is one of the major pests in production, which has the tendency of big-occurrence in recent years and endangers grain production greatly.
   摘要稻飞虱是水稻生产上的主要害虫之一，近年来发生程度具有日趋严重的趋势，对粮食生产造成较大的威胁。