The Mon Cals can stay underwater for an indefinite length of time, although they cannot sleep underwater due to various physiological and psychological reasons.
虽然蒙卡尔人由于各种生理和心理的原因无法在水底睡上一觉，但他们仍能在水里停留一段时间。
The Mon Cals can stay underwater for an indefinite length of time, although they cannot sleep underwater due to various physiological and psychological reasons.
虽然蒙卡尔人由于各种生理和心理的原因无法在水底睡上一觉，但他们仍能在水里停留一段时间。
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