But the biggest change in Earth's energy budget by far over the past hundred years is due to the accumulation in our atmosphere of greenhouse gases, which limit the exit of heat into space.
但是，过去一百年至今，地球能量收支的最大变化起因于大气中温室气体的累积，是它限制了热量向太空释放。
At least among young and middle-aged people, non-shivering heat production in response to feeling cold can account for up to 30 per cent of the body's energy budget, say the scientists.
科学家称，至少在年轻人和中年人中，应对寒冷时(不包括打寒战时)产生的热量占身体每天所消耗能量的30%。
At least among young and middle-aged people, non-shivering heat production in response to feeling cold can account for up to 30 per cent of the body's energy budget, say the scientists.
科学家称，至少在年轻人和中年人中，应对寒冷时(不包括打寒战时)产生的热量占身体每天所消耗能量的30%。
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