It's very discouraging to be sneered at all the time.成天受嘲讽是很令人泄气的.Discouraging words for those who believe that a college's job is to educate, not coddle.对于那些认为学校的职责是教育而非溺爱的人而言,这样的话实在让人气馁.discouraging advice使人沮...
Today's report is rather more discouraging for the economy.今天的报道让人对经济更加丧失了信心。It's very discouraging to be sneered at all the time.成天受嘲讽是很令人泄气的.It's discouraging that so many students have failed.那么多学生考不及格,...
Result: In optimal conditions, the yield of n - butyl gallate was over 93.8 %.结果: 在最佳实验条件下没食子酸正丁酯收率达93.8%.Iso - army gallate was synthesized by esterification of gallic acid with iso - army alcohol catalyzed by 4 - methy...