serenity
serenity(pl. -ies)- [mass noun]the state of being calm, peaceful, and untroubled
平静,宁静
an oasis of serenity amidst the bustling city.
繁忙的城市中宁静的绿洲。
语源- late Middle English: from Old French serenite, from Latin serenitas, from serenus 'clear, fair' (see serene)
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