开完那个漫长的会议后，我真的需要一些平静和安宁。

I really need some peace and ___quiet after that long meeting.

图书馆因其提供的宁静与安然而备受重视。

Libraries are valued for the peace and ___quiet they provide.

清晨的宁静突然被一声鸟鸣打破。

The ___quiet of the early morning was suddenly broken by a bird's song.