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1. Oxford American Dictionary

   sulfur dioxide

   • IPA[ˈsəlfər dīˈäkˌsīd]

   • n.
     a colorless pungent toxic gas formed by burning sulfur in air.

   • noun: sulphur dioxide, plural noun: sulphur dioxides

2. • 相關詞

   sulphur dioxide

   • n.
     a colourless pungent toxic gas formed by burning sulphur in air.

   Oxford Dictionary