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helium

B2 noun

helium /ˈhiː.li.əm/ nghĩa là heli, hêli

Các nghĩa

  1. heli · hêli

    The second-lightest chemical element (symbol He), with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.

    uncountable

    It was an enormous balloon filled with helium, that elemental gas forged from hydrogen in the nuclear furnace of the stars.

  2. heli, hêli

    A form or sample of the element.

    countable

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