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 % ...
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...
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....
Hundreds of activists marked the holy day by marching for peace and disarmament.数百名积极分子以呼吁和平与裁军的游行纪念了这个神圣的日子。...unilateral disarmament.单边裁军The next government will play an energetic role in seeking multilateral nuclear d...
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 ...