... colorless glass disc 无色玻璃盘 colorless component 无色组分 colorless adsorbed compound 无色吸附化合物...
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CO2 is a colorless and odorless gas, exhaled at high concentrations by each of us, and a key component of the biosphere's life cycle.
WSJ: Sixteen Concerned Scientists: No Need to Panic About Global Warming
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