give off

柯林斯词典

give off (also give out) (giving,gave,given,gives)

• 1. PHRASAL VERB If something gives off or gives out a gas, heat, or a smell, it produces it and sends it out into the air. 散发出 (气体、热量或气味)

  ...natural gas, which gives off less carbon dioxide than coal. …天然气的二氧化碳排放量少于煤。

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