单词：cotton aphid
cotton aphid的用法和样例：
例句
- Generally evaluated, cotton aphid had the highest fitness on Bt transgenic cotton, and the lowest fitness on Bt and CpTI transgenic cotton.综合评价，棉蚜的生存和繁殖适合性在转单价基因抗虫棉上最高，在双价棉上最低。
- The efficacy experiment of five insecticides against aphids was done in the cotton field.本文对五种杀虫剂在本地区气候环境下防治棉蚜的药效进行了试验。
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