例如，温度的升高会增加大气中的水分含量，这又会导致进一步的变暖，因为水蒸气是一种温室气体。
An increase in temperature, for example, can boost the moisture content of the atmosphere, which then causes further warming because water vapor is a greenhouse gas.
六氟化硫是一种温室气体，它与其他物质一道作为某些高压设备的绝缘体。
Take sulphur hexafluoride, a greenhouse gas used-among other things-as an insulator in some sorts of high-voltage equipment.
这种现象对大气变暖产生影响，这就是为什么甲烷被认为是一种温室气体。
This phenomenon can contribute to atmospheric warming, which is why methane is considered a greenhouse gas.
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