SO2 is a colourless gas with a sharp odour.
二氧化硫是一种无色气体，带有刺鼻的气味。
Carbon dioxide Inorganic compound, a colourless gas with a faint, sharp odour and a sour taste when dissolved in water, chemical formula CO2.
二氧化碳一种无机化合物，无色而略带刺鼻气味和酸味的气体。化学式CO2。
Carbon dioxide Inorganic compound, a colourless gas with a faint, sharp odour and a sour taste when dissolved in water, chemical formula CO2.
二氧化碳一种无机化合物，无色而略带刺鼻气味和酸味的气体。化学式CO2。
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