“双烯酮”用英语怎么说

而由混合酸酐或双烯酮代替酰氯, 中间体也可能是烯酮或烯醇5.Similarly , using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained....

A shoal of porpoises are well on the feed.一群海豚正在吞食.In 1928 some porpoises were photographed working like beavers to push ashore a waterlogged mattress.1928年有人把这些海豚象海狸那样把一床浸泡了水的褥垫推上岸时的情景拍摄了下来.There has long been a superst...

existent的音标：existent的英式发音音标为：[ɪg'zɪstənt]existent的美式发音音标为：[ɪɡ'zɪstənt]...

He is always imagining dangers that don't exist.他总是想着那些其实并不存在的危险.But I never stopped imagining who the anonymous giver might be.但是,我对谁是匿名送花人的猜测从未停止过.You must stop imagining that posterity will vindicate you.你可别以为后代会...

v.向…提供错误的消息，误导( misinform的过去式和过去分词 )...

detour的现在完成时为：detoured...

eusplanchnia的音标：eusplanchnia的英式发音音标为：[jʊ'splæŋknɪə]eusplanchnia的美式发音音标为：[jʊ'splæŋknɪr]...

In May 1911 the Mayfly was found to lack sufficient lift to get airborne.一九一一年五月,发现“蜉蝣号”飞艇的升力不足....

面对面，相对...

hornskin的音标：hornskin的英式发音音标为：['hɔ:nskɪn]hornskin的美式发音音标为：['hɔnskɪn]...

您知道，会有那么一些人，因为命运捉弄而落得无家可归。There are those, you know, who, by circumstance, end up homeless.对付爱捉弄人的人的最佳方法就是不搭理他。The best way to deal with a tease is to ignore him.如果男孩们不喜欢你的话，他们就会狠狠地捉弄你。The boys would tease you to death i...

这家饭店的家乡风味菜,勾起了我们的乡思.The local - flavour dishes cooked By this restaurant have reminded us of home.其乡思之苦,溢于言表.From the poem , we can feel a heart burning with homesickness....

onlookers的音标：onlookers的英式发音音标为：['ɒnlʊkəz]onlookers的美式发音音标为：['ɒnlʊkəz]...

该题目可能暗指艾滋病。The title is per-haps an allusion to AIDS.他们暗指他是诚实的.They implied him to be honest.他没提你的名字,但是我确信他是暗指你的.He didn't mention your name but I was sure he was alluding to you....

crock的音标：crock的英式发音音标为：[krɒk]crock的美式发音音标为：[krɑk]...

n.毛地黄...