An extinct species or race of human beings, Homo neanderthalensis, associated with Middle Paleolithic tools.
作为已灭绝物种或人类种族，尼安德特人与旧石器时代中期的工具有关。
An extinct species or race of human beings, Homo neanderthalensis, living during the late Pleistocene Age in the Old World and associated with Middle Paleolithic tools.
尼安德特人：已灭绝的人类类型或种族尼安德特人，生存于太古时代更新世的晚期，与旧石器时代的工具有联系。
The indoor air quality(IAQ) is closely associated with the health of human beings and becomes one of the concerned focuses in Chinese society recently.
室内空气质量与人体健康有十分密切的关系，近年来更成为社会关注的焦点之一。
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