“二甲胺”的拼音

以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.双长链烷基甲基叔胺是脂肪醇和二甲胺催化胺化反应的主要 副产物.Dialkylmethylamines are the ...

“二甲胺”的英语可以翻译为：dimethylamine ...

变位；移动；驱逐...

abaft的音标：abaft的英式发音音标为：[ə'bɑ:ft]abaft的美式发音音标为：[ə'bæft]...

widow的反义词有：widower。n.widow的反义词（寡妇）：widower。...

n.计划，规划v.“plan”的现在分词，计划，设计...

dilate的近义词/同义词有：enlarge, increase, expand, widen, broaden, magnify, magnify, broaden, balloon, expand, widen, increase, enlarge, amplify。vt.dilate的近义词（使某物扩大,）：enlarge, increase, expand, widen, broaden, magnify。dilate的近义词...

bough的近义词有：branch, limb, bough, shoot。下面这些名词均含有"枝"的含义：branch：普通用词，泛指树木比bough小一些的大枝或小枝，也可用于引申意义。limb：多指主枝或大枝。bough：指主枝或粗大强壮的枝。shoot：指植物或灌木刚长出的新枝、嫩枝或嫩芽。...

n.健壮的人（hefty的复数形式）...

glutamoyl的音标：glutamoyl的英式发音音标为：[ɡ'lu:təmɔɪl]glutamoyl的美式发音音标为：[ɡ'lutəmɔɪl]...

Retrospectively, it seems as if they probably were negligent.回想起来，他们似乎很可能疏忽了。To ascribe opinions retrospectively is of course very dangerous.事后再翻出当初谁说了什么当然是很危险的。The House of Lords affirmed that the terms of a contract ca...

Bernstein's compositions spanned all aspects of music, from symphonies to musicals.伯恩斯坦创作的乐曲涉及了从交响乐到音乐剧等音乐的各个方面。He began to churn out literary compositions in English.他开始用英文创作大量的文学作品。She reworked a lot of her compos...

adj.有效的，强有力的，有权势的，烈性的，有说服力的...

They have thin lips and papery eyelids, box jawbones, prominent Adam's apples and withered hearts.她们嘴唇纤薄,眼睑象纸似的扑闪, 颚骨见棱见角, 喉结突出,心灵枯萎.Ceramic pots on top of jawbones. The pots may have held offerings for the afterlif...

magazines的音标：magazines的英式发音音标为：['mæɡəzi:nz]magazines的美式发音音标为：['mæɡəzinz]...

navigation的复数形式为：navigations...

goblin的近义词/同义词有：elf, troll, spirit, dwarf, fairy, dwarf, hobgoblin, elf, troll, spirit, sprite。n.goblin的近义词（精灵;小矮人）：elf, troll, spirit, dwarf。goblin的近义词（其他释义）：fairy, dwarf, hobgoblin, elf, troll, spirit, sprite。...