一种金属或玻璃试管，充满通过传送已被控制中子而电离了的气体，在试管中产生一种电荷，指示一种特殊粒子。
A metal or glass tube filled with gas that is ionized by passing charged particles, producing within the tube an electric charge indicative of a particular particle.
在那儿，在桌子上的玻璃试管中，正闪烁着微弱的蓝光，这就是他们付出极其艰辛的劳动所要寻找的那种神秘的东西：镭。
And there, glowing with a faint blue light in the glass test tubes on the tables, was the mysterious something which they had worked so hard to find: Radium.
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