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....
There are threescore queens , and fourscore concubines, and virgins without number.有六十王后八十妃嫔, 并有无数的童女.The children of Bigvai, two thousand threescore and seven.比革瓦伊的子孙二千零六十七名.Now of my threescore years and ten.从我的七十岁可享之年...
该装置可以装在任何垂直或近似垂直的平面上。The gadget can be attached to any vertical or near vertical surface.这种氛围近似梦幻。The atmosphere borders on the surreal.烯空气跟空气十分近似.Olefin gas closely approximates air....
The sudden rise in share prices has confounded economists.股价的突然上涨使经济学家大惑不解。That confounded boy's bad behaviour annoys me.那个讨厌的男孩的不良行为使我烦恼.Close that confounded window.把那该死的窗户关起来....
We have the saturated calomel electrode.我们得到饱和甘汞电极.Already the hospitals were worrying about the scarcity of quinine, calomel, opium, chloroform and iodine.各个医院已经在为缺乏奎宁 、 甘汞 、 鸦片 、 哥罗仿、碘酒等等而发愁....
I had to keep in with the people who mattered.我得和管事儿的人保持良好关系。We're a tight group, so we do keep in touch.我们关系很铁，所以的确保持着联系。We do keep in contact.我们确实保持着联系。...