The organic compounds are mainly benzoic acid anhydride , benzophenone, and so on.生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、苯甲酮等.The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.简要概述了2...
It was originally obtained by decarboxylation of benzoic acid.它最先是由苯甲酸脱羧而得到的.The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.简要概述了2,4-二氯-5-氟苯甲酸的用途及其合成方法.Join the 1 % ...
无齿翼龙是一种体形庞大的翼龙, 因其头上长有冠而别具一格.Pteranodon was a large Pterosaur, notable for its skull crest.无齿翼龙能够扇动它们的翅膀飞翔, 而且还能飞很长的距离.Pteranodons could flap their wings to fly. They could fly a long way.无齿翼龙是肉食动物. 它们吃鱼, 软体动物, 螃蟹, 昆虫,和动...
The two tribes feuded with each other for generations.这两个部族世代为敌.He feuded with his ex-wife...他和前妻积怨已久。Their families had feuded since their teenage daughters quarrelled two years ago.自从两家十几岁的女儿两年前吵了一架，两家人就结下了仇。He feuded ...
谷仓里弥漫着新粪酸甜的气味。The barn was filled with the sour-sweet smell of fresh dung.他能闻到粪臭和清新的干草味。He could smell muck and clean fresh hay.清理猫粪时要带上橡胶手套。Wear rubber gloves when handling cat litter....