In remote regions, the air is pure and the crops are free of poisonous insecticides.在偏远地区，空气很纯净，庄稼也不施用有毒的杀虫剂。Objective To find methods for testing quickly if there were organophosphate and carbamate in insecticides.目的快速检...
Confine the use of insecticides to the evening and do not spray plants that are in flower.只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。In remote regions, the air is pure and the crops are free of poisonous insecticides.在偏远地区，空气很纯净，庄稼也不施用有毒的...
The BBC has just successfully demonstrated a new digital radio transmission system.英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。Filmmaking was transformed by digital editing, digital f/x, and digicams.数字剪辑、数码特效以及数码摄像机改变了电影摄制方式。Manufactur...
They can steal away at night and join us.他们可以晚上偷偷溜出来和我们碰面。People who are drug addicts come in and steal.瘾君子会进来偷东西。During the riots hundreds of people seized the opportunity to steal property.在暴乱中成百上千的人纷纷趁机偷窃财物。...
They intend to allocate more places to mature students this year.今年他们打算给成人学生提供更多的名额。You must allocate the money carefully.你们必须谨慎地分配钱.We allocate 10 % of revenue to publicity.我们拨出10%的收入做广告....