n.深渊，无底洞，深邃，<古>地狱，阴间，浑沌
Ahead of them was a gaping abyss.
他们面前是一个巨大的深渊。
The country was on the brink of an abyss.
国家岌岌可危。
The people are plunged into an abyss of misery.
涂炭生灵.
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