hafnium什么意思解释

And how is it known that Mars had hafnium - 187 ?那么是如何知道火星有铪 -187 的 呢 ?This activator is acyl amine - the hafnium activator that ether is a foundation.该催化剂为酰胺 - 醚为基础的铪催化剂.Chemical form of hafnium is perchlorate or nitrat...

hafnium的音标：hafnium的英式发音音标为：['hæfniəm]hafnium的美式发音音标为：['hæfniəm]...

I've never seen anyone who could hold forth so long.我从没见过这么说话没完没了的人.He will hold forth until he is stopped.他会侃侃而谈直至被示意停下....

a funky disco beat适宜跳舞的迪斯科强节奏Teenage disco music pumped out at every station.每一站都喧闹地播放着十几岁少年所喜爱的劲爆迪斯科音乐。A sit-down dinner was followed by a disco.晚宴之后播放了一曲迪斯科舞曲。The disco bouncer threw out four drunk teenagers.迪斯科舞厅的保镖把四...

He looked suddenly sombre, pensive.他突然看起来很阴郁，一副忧虑的样子。He became so pensive that she didn't like to break into his thought.他陷入沉思之中,她不想打断他的思路.What are you so pensive about?你这么专心,在想些 什么 ?...

The kinked line in chart 1 represents this pattern.图表1中的曲线表现了这一模式。They may be straight or curved, but not in sharply kinked configurations.它们可以是直的或弯的, 但不呈现纠缠在一起的外形.Previously scientists have only managed to make straight...

caption的一般过去时为：captioned...

“烟垢的”的英语可以翻译为：fuliginous ...

attend的近义词有：accompany, conduct, attend, escort,attend, join, participate, take part in,notice, note, mind, attend, remark。下面这些动词均有"陪同，伴随"之意accompany ：既可指人也可指物。用于人时，侧重关系紧密或同时发生。conduct ：无论用于人或物均指引导带领。attend ：侧重主从关系，即下级对上级...

decor的音标：decor的英式发音音标为：['deɪkɔ:(r)]decor的美式发音音标为：[deɪ'kɔr]...

corn的复数形式为：corns...

She added only a hint of vermouth to the gin.她只在杜松子酒里加了少许苦艾酒。I ordered gin and vermouth.我要了杜松子酒和苦艾酒.Certainly, sir. A Sweet Vermouth. Just a moment, please.好的, 先生. 一杯甜苦艾酒, 请稍侯....

crinkling的音标：crinkling的英式发音音标为：[k'rɪŋklɪŋ]crinkling的美式发音音标为：[k'rɪŋklɪŋ]...

pals的音标：...

smudge的音标：smudge的英式发音音标为：[smʌdʒ]smudge的美式发音音标为：[smʌdʒ]...

Butterbur and coltsfoot belong to two different genera of Compositae.蜂斗菜与款冬则是菊科不同属的两种植物.Ainsliaea fragrans Champ , is plant of Compositae.杏香兔耳风是菊科兔耳风属植物.The characteristics of antifungal constituents in thefamilies of Gr...

“神经节”的拼音为：shén jīng jié...