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...
Moreover , the restrictions have been subject to changing formulations.更有甚者, 限制一直处于不断变化之中.There are a number of alternative formulations of the reciprocity theorem.还有许多别的互易定理的公式.There are variant formulations of some of ...
scorn的近义词有：despise, scorn, look down upon。下面这些动词或短语动词均表示"轻视，蔑视"的含义：despise：指由于卑鄙、软弱，渺小或无价值等而被轻视。scorn：语气较强，指极端的蔑视，常伴有愤怒或恼怒的情感。 look down upon：指自视地位优越而蔑视他人或事。...