Encara no tenim significats per a "mental vacuity".
1Such sudden alternations from mental vacuity do sometimes occur thus quietly.
2But this is only an open confession to mental vacuity, to intellectual poverty.
3That mental vacuity and barrenness of soul to which I have alluded, is responsible for another misfortune.
4The mental vacuity of that little room!
5As I listened to their lazy, fragmentary conversation vast gulfs of mental vacuity seemed to open before me.
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