Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...
I can only afford to live in a flophouse.我只能住便宜的旅馆.By now, you're running from flophouse to alley foot jobs for enough cash to stay alive.现在, 你已经在逃命了,从一家小旅馆换到另一家,偷偷做脚底按摩赚钱为生....
他的球投得极棒，使我们赢下了两场比赛。He bowled so well that we won two matches.他赢了，但是赢得十分勉强。He won, but only by the skin of his teeth.澳大利亚的英式橄榄球联盟队创纪录地赢了法国队。Australia's rugby union side enjoyed a record-breaking win over France....