(qīng) — hydrogen (chemical element)

定義

noun
hydrogen (chemical element)

例文

  • Shuǐ shì yóu qīng hé yǎng zǔ chéng de.
    Water is composed of hydrogen and oxygen.
  • Zhè zhǒng qì qiú lǐ miàn zhuāng de shì qīng qì.
    This kind of balloon is filled with hydrogen gas.
  • qīng Shì yì zhǒng hěn qīng de yuán sù.
    Hydrogen is a very light element.

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