abysses
n.
深渊( abyss的名词复数 );
（智力等方面的）深邃;
(the ～)地狱;
海洋深处;
例句:
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Such had been his first dip into the dark abysses of existence.
他第一次跌进人生黑暗深渊的情形就是这样.
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To say more would spoil the surprise of abysses opening and bloodied rugs being pulled from beneath the audience's feet.
来自THETIMES
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Another profoundly amnesic patient I knew some years ago dealt with his abysses of amnesia by fluent confabulations.
来自NEWYORKER