actinium是什么意思

n.


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  • actinium例句

    Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.The extraction mechanism and separat...
  • actinium怎么读

    actinium的音标:actinium的英式发音音标为:[æk'tɪniəm]actinium的美式发音音标为:[æk'tɪniəm]...
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  • “飞”造句

    导弹从那架运输机的底部飞了出来。The missiles emerge from the underbelly of the transport plane.一架大型客机在飞近希思罗机场时差点儿发生空难。An airliner came close to disaster while approaching Heathrow Airport.关于自己的流言蜚语满天乱飞,他实在受够了。He was fed-up with the lies...
  • location的意思?

    n.位置,场所,定位,外景(拍摄地)...
  • “氦核”造句

    α粒子是从天然放射性蜕变得到的带正电的氦核.Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子 —— 氦核 —— 正通过试管被抛出, 从而在试管中形成人造迷雾.Alpha particles -- helium nuclei -- were being hurled through the tube...
  • ornate的反义词

    ornate的反义词有:chaste, chaste。adj.ornate的反义词(装饰华丽的):chaste。ornate的反义词(其他释义):chaste。...
  • donee的音标?

    donee的音标:donee的英式发音音标为:[dəʊni:]donee的美式发音音标为:[ˌdoʊ'ni]...
  • knife的一般过去时怎么拼写?

    knife的一般过去时为:knifed...
  • death penalty什么意思解释

    n.死刑...
  • partitioning例句

    Bedrooms have again been created by partitioning a single larger room.通过将一间大屋用隔断断开的方法再隔出了几间卧室。The stationary bed consists of an inert support impregnated with the partitioning liquid.固定床是由浸透着分配液的惰性液体所构成.A principle contr...
  • door的音标

    door的音标:door的英式发音音标为:[dɔ:(r)]door的美式发音音标为:[dɔr,dor]...
  • expression造句

    Objective To investigate the expression of the interleukin - 8 ( IL - 8 ) in epiretinal membranes ( ERM ) of eyes with proliferative vitreoretinopathy ( PVR ).目的 观察增生性玻璃体视网膜病变 ( Proliferativevitreoretinopathy,PVR ) 的视网膜前...
  • Agatha造句

    We couple the name of Agatha Christie with Hercule Poirot.我们将克丽丝蒂的名字兴波瓦罗联想在一起.When at last the lonely girl went to her cabin, Sister Agatha was already sleeping.终于这位孤单的女孩子进了房舱, 这时阿嘉沙修女已经安寝.She read all of Agatha Christie...
  • dignify的一般过去时怎么写?

    dignify的一般过去时为:dignified...
  • “诱导”的近义词/同义词

    “诱导”的近义词/同义词:引导, 引诱, 领导, 向导, 指导, 指引, 开导, 启发, 劝导, 开辟, 开发, 启迪, 启示。...
  • commotion造句

    I heard a commotion and went to see what was happening.我听到一阵喧闹便去看看发生了什么事情。A commotion arose in the aisle behind them among police guards and latecomers.他们后面的走廊里,在警卫和来迟的观众间掀起一阵骚动.Dominic: There was quite a commotion down ...