The polar bear's scientific name means "sea bear" because it's the only bear that has a body made for living in water.
有趣的常识：北极熊的学名叫“海洋熊”，因为它是唯一身体能适应水中生活的熊类。
But only the residents of the west gate can really represent the living water?
只是少了居民的西栅真的能代表活着的水乡吗？
It decreases not only the consumption of primary energy for heating the living water but also the calefaction to the surroundings due to the rejection of heat from air conditioning systems.
既可降低加热生活用水的基本能量消耗，又可减小空调系统排放热量引起的环境增温。
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