europium什么意思？

europium的音标：europium的英式发音音标为：[jʊər'əʊpiəm]europium的美式发音音标为：[jʊr'oʊpiəm]...

Uses: as the raw material of manufacturing europium oxide.用途: 用作氧化铕的原料.Europium and terbium rare earth complexes with tetracarboxylic acid were successfully prepared in aqueous solution.摘要在水溶液中合成了铕和试的四元羧酸稀土配合物.The comple...

a huge chasm of hate and prejudice由于仇恨和偏见而产生的巨大分歧A chasm separates my generation from my parents’.分歧使我这一代人不同于我父母那一代。A huge chasm gaped before them.他们面前有个巨大的裂痕.There’s a chasm between rich and poor in that society.那社会中存在着...

antidetonator的音标：antidetonator的英式发音音标为：[ænti:'detəneɪtə]antidetonator的美式发音音标为：[ænti'detəneɪtə]...

n.雄麻鸭，秋沙鸭...

“缆柱”的英语可以翻译为：itt ...

A fast train does the journey to Ottawa in three hours.快车在3小时以内走完去渥太华的旅程.Fantastic. How long are you staying in Ottawa?太棒了! 你在渥太华能呆多久?I'm calling from downtown Ottawa.我是在渥太华市中心打电话....

He programmed his computer to compare all the possible combinations.他给他的计算机编制了一套程序，以比较所有可能的组合。Who wants to buy a computer from a failing company?谁愿意从一家要倒闭的公司买计算机呢？Finding a volunteer to write the computer program isn...

catchfly的音标：catchfly的英式发音音标为：['kætʃˌflaɪ]catchfly的美式发音音标为：['kætʃˌflaɪ]...

coconuts的音标：coconuts的英式发音音标为：['kəʊknʌts]coconuts的美式发音音标为：['koʊknʌts]...

“消退”的拼音为：xiāo tuì...

格什温（姓氏）...

Manol的音标：...

bastardize的第三人称单数（三单）为：bastardizes...

adj.一般的，普通的...

[计] 回溯...

N acetylcysteine ( NAC ), a precursor of glutathione, is a thiol antioxidant.N-乙酰半胱氨酸 ( NAC ) 为谷胱甘肽的前体, 是一种含有巯基的抗氧化剂.Error is often the precursor of what is correct,but conceit is the prelude to a fall.错误往往是正确的先导,骄傲是跌跤的前...