
Twice
Frequency Indication
Use 'twice' to indicate something happens regularly two times within a set period.

She goes to the gym twice a month.
Repetition Emphasis
'Twice' can stress the repetition or increase of an action or event.

He checked the lock twice to be sure.
Collocation Clarity
'Twice' often teams up with time intervals to show routine, such as 'a day' or 'a year'.

We clean the house thoroughly twice a year.
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DoubleDualDuplicateEvenPairTwofold
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