Objective To find methods for testing quickly if there were organophosphate and carbamate in insecticides.目的快速检测市售卫生杀虫剂中是否含有机磷或氨基甲酸酯成分.The researchers are studying the effects of treatment with inyl carbamate in mice.研究人...
He is forever croaking about his problems.他老是为他那些问题发牢骚.Someone likened his voice to the croaking of a bull - frog.有人把他的声音比作牛蛙的叫声.I could hear croaking of the frogs .我能听到青蛙呱呱的叫声。the croaking of frogs蛙鸣Put in April and May...
As long as most people are happy to have the monarchy, the abolitionist position is an arrogant fantasy.只要大多数人还乐意保留君主制，废除它的主张就是痴人说梦。They organized speeches by abolitionist leaders. And they helped hide slaves who were fl...