Joseph watched a shady-looking bunch playing cards aboard a Mississippi steamer.约瑟夫看到一群可疑的人在密西西比河的一艘轮船上打牌。Remove the vegetables from the steamer when they are three-quarters cooked.将蔬菜蒸至大半熟后从蒸锅里捞出。The steamer calls at se...
A steamer takes on a pilot before coming into a strange harbour.轮船进入陌生的港口前要雇用引航员。The steamer calls at several ports along the way.一路上,汽船在好几个港口停靠。One summer, pumping stations such as steamer general, maintenance, operatio...
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 % ...