您要查找的是不是：
- How many loses caused by cotton pests in 2002, USA? 2002年美国棉花害虫引起的损失有多少?
- How many loses caused by cotton pests in 2002,USA? 2002年美国棉花害虫引起的损失有多少?
- Today it is still the most destructive cotton pest in North America. 现在这种昆虫仍然是北美洲最具破坏性的昆虫。
- Last October, scientists field-tested a cotton pest called the pink bollworm moth, carrying a test gene for a glowing jellyfish protein. 去年10月科学家对一种叫红棉铃虫蛾的棉花害虫做了野外试验，它带有一个发光的水母蛋白测试基因。
- Last October,scientists field-tested a cotton pest called the pink bollworm moth,carrying a test gene for a glowing jellyfish protein. 去年10月，科学家对一种叫红棉铃虫蛾的棉花害虫做了野外试验，它带有一个发光的水母蛋白测试基因。
- Cotton Pest Research Group. Institute of Plant Protection of Chinese Academy of Agricultural Sciences, eds. Cotton pest resistance to insecticides and control methods. Beijing: Science Popularization Press, 1993. 中国农业科学院植物保护研究所棉花害虫研究组。棉花害虫的抗药性与防治技术。北京:科学普及出版社,1993。
- Cotton cloth is made in a cotton mill. 棉布是由棉纺厂生产的。
- Occurrence of cotton pests in the Bt cotton fields and its control strategy Bt棉对主要棉虫发生的影响及防治对策
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- The potato is vulnerable to several pests. 马铃薯易受几种害虫的侵害。
- The cotton pickers want more money. 采棉工人要求更多的报酬。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- The spread of pests damaged countless fruit trees. 虫害的蔓延损害了无数果树。
- She dabbed at the cut with cotton wool. 她用药棉轻轻地按了按伤口。
- He didn't seem to cotton on to me then. 当时他似乎并不喜欢我。
- In those days they had to fight the pests barehanded. 那时候他们得赤手空拳和虫害作斗争。
- Cotton is more comfortable to wear than nylon. 棉布比尼龙穿着舒服。
- She picked cotton much faster than I. 她摘棉花比我摘得快。
- The import of cotton goods went up sharply in 1986. 在1986年，棉织品的进口猛增。
