One such product has been indicated above. The alpha-ray particles appear to possess the mass of helium atoms, and the growth of helium has been detected by its spectrum in a tube of radium emanation. Moreover, helium is found occluded in most if not all radio-active minerals in amount which approaches, but never exceeds, the quantity suggested by theory. We may safely regard such helium as formed by the accumulation of alpha-ray particles given out by successive radio-active changes.英文原著 · 《Darwin and Modern Science》
Ugh... the helium hasn't evengone out of the balloons from your engagement party. okay... when are you gonna tell edie?美剧 · 《Desperate Housewives》
...but apparently singing "I Will Survive" in a helium voice, not helping.美剧 · 《Friends》
Would there be a safe amount of helium you could give a baby that would lift it off the ground?美剧 · 《Modern Family》
It's like a miniature Rover, pretty much, with battery power, and then we put a helium laser on top.美剧 · 《Shameless》
Are what happens when a primordial mixture of hydrogen and helium are what happens when a primordial mixture of hydrogen and helium演讲 · 《Join the SETI search ~ Jill Tarter》