cyclopentene什么意思

In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexad...

cyclopentene的音标：cyclopentene的英式发音音标为：[saɪkləʊ'penti:n]cyclopentene的美式发音音标为：[saɪkloʊ'pentin]...

She then decided right before the opening to make a dramatic announcement.然后就在开幕式开始之前，她决定要宣布一件激动人心的事情。He was floored by the announcement.这个通告使他不知所措。The announcement was greeted enthusiastically.公告受到人们的热烈欢迎。...

“油煎”的拼音为：yóu jiān...

n.剧团，艺术团体( troupe的名词复数 )...

washbasin的音标：washbasin的英式发音音标为：['wɒʃbeɪsn]washbasin的美式发音音标为：['wɑʃbeɪsn]...

“专横的”的英语可以翻译为：ossy，despotic，high-handed，dominating，autocratical ...

blamed的音标：blamed的英式发音音标为：['bleɪmd]blamed的美式发音音标为：['bleɪmd]...

apotheosizing的音标：...

out of practice的音标：out of practice的英式发音音标为：[aut ɔv 'præktis]out of practice的美式发音音标为：[aʊt ʌv 'præktɪs]...

definition的近义词有：explanation, definition, description, exposition, interpretation。下面这些名词都含有"解释"或"说明"的含义：explanation：普通用词，指使人明白未知或不清楚的事。 definition：主要指对某一词、短语或专门术语的含义作解释、下定义。description：指对某一事物的重要方面进行详细叙述，常含教育与启迪意味。expositi...

“布告”的英语可以翻译为：notice，bulletin，proclamation，edict，notification ...

Ninety per cent of lone parent families are headed by mothers.90%的单亲家庭由母亲持家。Ninety-nine per cent of primary pupils now have hands-on experience of computers.现在，99%的小学生都亲手操作过电脑。Secret investigations have netted ninety sta...

研究了托卡马克删削层和部分偏滤器等离子体的输运问题.This paper has studied plasma transport in scrape - off layer two - point'mode and equation.利用粒子数守恒和“两点模型”,计算了在有摩擦的情况下,删削层中等离子体的密度分布 、 度分布和杂质辐射的功率损失.We have calculated plasma density distri...

“阿瑞斯”的英语可以翻译为：Ares （希腊战神；火星的别名） ...

adj.小心的，慎重的，精明的，节俭的，顾虑周到的，稳健的，世故的，精明的...

“庚烯”的英语可以翻译为：[化] heptene，heptylene ...