不久它被氯仿所代替.It was soon replaced by chloroform.用氯仿将有机质提取出来并称重.The organics are extracted with chloroform and weighed.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.Without doubt chloroform is one of the most important compounds containing a carb...
可是他找不到匙形假饵,他的沙丁鱼也都腐臭了.But he could not find a spoon and his sardines were rotten.第九型匙型: 头花似半重瓣型, 但舌状小花先端为匙形.Class 9 Spoon: Same as the semi - double, except the ray florets are like spoons at the tips....
Her drawing is competent, but her composition is poor.她的画有功力, 但布局欠佳.Competent geologic advice is mandatory for any engineering decision.适宜的有关地质方面的建议,对于任何工程方面的决定都是必需的.They are intelligent, competent and strong - minded, w...