Objective To evaluate the control effects of twelve rich - d - trans allethrin coils and allethrin coils against mosquitoes.目的测试以富右旋反式烯丙菊酯和烯丙菊酯为有效成分不同品种盘香对淡色库蚊的防治效果....
I never used to oversleep.我从不睡懒觉.If you set your alarm clock, you won't oversleep.如果你上闹钟, 你就不会睡过头了.Mr. Brown: Yes. He used to oversleep every morning.李先生: 对.他早上总是睡过头....