hydrogen
US /ˈhaɪ.drə.dʒən/
UK /ˈhaɪ.drə.dʒən/
1.
수소
a colorless, odorless, highly flammable gaseous element, the lightest of all elements, and the most abundant chemical substance in the universe, occurring in water and all organic compounds.
:
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Water is composed of hydrogen and oxygen.
물은 수소와 산소로 이루어져 있다.
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Scientists are exploring hydrogen as a clean energy source.
과학자들은 수소를 청정에너지원으로 탐구하고 있다.