“二烯”的英语？

在这些化合物里, 环戊二烯环只有4个氢.In there compounds, the cyclopentadiene ring has only four hydrogens.聚二烯基本分子结构是一良好的燃烧剂.The polydiene basic molecular structure is an excellent fuel.所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadi...

“二烯”的拼音为：èr xī...

铱金火花塞寿命是多长 呢 ?How long will Iridium spark plugs last?...

claystone的音标：claystone的英式发音音标为：[k'leɪstəʊn]claystone的美式发音音标为：[k'leɪstoʊn]...

Aphrodisium faldermannii rufiventris Gressit belongs to the Coleoptera , Polyphaga , Chrysomeloidea , Cerambycidae , Cerambycinae , Aphrodisium Thomson.红腹柄天牛(Aphrodisiumfaldermannii rufiventris Gressitt)属于鞘翅目天牛科、柄天牛属....

deputy的近义词有：delegate, deputy, representative, agent, substitute。下面这些名词有"代表，代理人"的含义：delegate：指一般被派参加某一会议的代表。deputy：指上级授权代理行事的代表，特指被选择为执行全部或部分公务的人。representative：一般指被选举或委派代表某人或一些人或某个较大团体的人，其职务有时是较长期的。agent：普通用词，通常指经授权代理另一个...

She frees her mass of hair from a rubber band and shakes it off her shoulders.她解开橡皮筋，将浓密的头发披散在肩头。I'm not saying it's a blessing, but on some level, it frees you.我不是说那是好事, 不过,某种意义而言, 你也解放了.Such delegation frees ...

The pill is the most efficient method of birth control.服用避孕药是最有效的避孕方法。The process of replication is very quick and efficient.复制的过程快捷、高效。She was efficient and reliable.她办事很有效率，也很可靠。...

“更大”的拼音为：...

“地位”的近义词/同义词：位置, 职位, 位子, 身分, 名望。...

n.蛇( snake的名词复数 )，奸险的人，卑劣的人，蛇形浮动汇率制...

“横向性”的英语可以翻译为：diatropism ...

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非瑟酮定...

defend的反义词有：charge, attack, assail, assail, offend, charge, accuse, attack。vt. & vi.defend的反义词（防御;保护）：charge, attack, assail。defend的反义词（其他释义）：assail, offend, charge, accuse, attack。...

一种文件传输协议，由哥伦比亚大学设计，[男子名] 克米特来源于凯尔特语，含义是“武器之神”(god of arms)，[地名] [美国] 克米特...

You can be more tired when your weight lifting thing.当你举重物时你会更累.Team member should register to the gym to participate in the weight lifting training.队员应到健身房报到参加举重训练.Cycling, unlike running or weight - lifting, causes lit...