at (…) intervals

成語所屬單字interval

at (…) intervals — 慣用語

1. Something happens repeatedly with a specific amount of time or space between eac

1.慣用語
釋義

每隔…時間/距離

Something happens repeatedly with a specific amount of time or space between each occurrence.

例句

The doctor asked Maya to take her medicine at four-hour intervals.

Trees were planted at regular intervals along the new road.