an urban area that is becoming dilapidated, with decrepit housing and accompanying social and economic degeneration
城市衰败地区。
a conceptual area which is undefined or intermediate
边缘地区,过渡区域
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the twilight zone between the middle and working classes.
中产阶级与工人阶级之间的过渡区域。
a sphere of experience which appears sinister or dangerous because of its uncertainty, unpredictability, or ambiguity
(经验中的)险恶地带,危险区域
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schizophrenia isolates the individual in a twilight zone of terror. 精神分裂症将个人孤立于由恐惧构成的险恶区域之中。
the lowest level of the ocean to which light can penetrate
弱光层。
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