valence electron

常見(jiàn)例句

• The outer ring contains the valence electrons.
  排在外層的有價(jià)電子。
• It was generally believed that in a metal the valence electrons are easily detached from the individual atoms.
  一般認(rèn)爲(wèi)，在金屬中價(jià)電子容易脫離個(gè)別原子。
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