On a geologic time scale, the recent, human-induced planetary warming has been quite sudden, and the huge ice sheets have only just started to respond.
从地质时间的尺度来看，近来人类活动引起的地球变暖现象是相当突然的，巨大的冰盖这才刚刚开始有所反应。
These chemical changes decrease the acidity of the water and enable the it to absorb more CO2 from the air, thereby helping to reduce planetary warming.
这样的化学反应将会降低海水的酸性，并使之能够从大气中吸收更多的二氧化碳，从而有效减轻全球温室效应。
Heat transfer is important from a planetary scale in issues such as global warming, to more domestic concerns, freezing garden peas for example.
热量传递无论在星球的规模上，比如全球变暖问题，或者是在许多家政琐事上，比如冰冷豆荚，都是很重要的。
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