sleep heavilySLEEPif you sleep heavily, you cannot be woken easily 睡得沉sleep heavily• Exhausted by the horrors of that day, I slept heavily.• When finally she slept, she slept heavily, dreamlessly.• He was still sleeping heavily, in almost the same position they'd left him in.• They had all slept heavily, the sleep if not of the just, of the innocent and artless.
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