Even if our heavy overcoats were not enough to keep us warm.即使我们穿着厚大衣,还不觉得暖和.Old overcoats can be reconditioned.旧大衣可以翻新.Trying to sell overcoats in midsummer is a real mug’s game.大夏天推销大衣,真是白费力气。There was nobody in the st...
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...