| 单词 | gas |
| 释义 | gas 高中必修500 全国卷频次：17 教材出处：译林版必修B3U1 /ɡæs/ n. 气体，煤气，毒气，汽油，瓦斯 高考真题原句提选：I said hello to an older couple who were also paying for gas.我向一对年长的夫妇打招呼，他们也在支付汽油费。加油站 It was the couple I had spoken to at the gas station .这就是我在加油站说过话的那对夫妇。It flies using a 23-gallon tank of gas and burns 5 gallons per hour in the air.它使用一个23加仑的油箱飞行，在空中每小时燃烧5加仑。气体行星、气态行星 Unlike gas planets , rocky planets like Earth have surfaces where water can gather in pools and seas, which may support life.与气体行星不同，像地球这样的岩石行星的表面可以聚集水，形成池塘和海洋，这可能支持生命。Besides giving off gases and dusts into the air, humans produce waste that is poured on the environment.除了向空气中排放气体和灰尘外，人类还产生废物，倾倒在环境中。温室气体 Many gases found in the atmosphere actually reflect heat energy escaping from the Earth’s surface back to the Earth.大气层中的许多气体实际上是将从地球表面逸出的热能反射回地球。These gases act like the glass of a greenhouse in that they allow energy from the Sun to enter but prevent energy from leaving. They are therefore called greenhouse gases .这些气体的作用就像温室的玻璃，它们允许太阳的能量进入，但阻止能量离开。因此，它们被称为温室气体。Instead, plants produce volatile compounds, chemicals that easily change from a liquid to a gas.相反，植物产生挥发性化合物，即容易从液体变为气体的化学品。 |
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