at regular intervals
at regular intervals — 慣用語
1. happening repeatedly with the same length of time between each occurrence.
每隔固定時間
事件以相同時間間隔反覆發生
happening repeatedly with the same length of time between each occurrence.
The bus service runs at regular intervals of twenty minutes throughout the day.
公車服務全天每隔二十分鐘一班。
prepositional phrase + of + time noun phrase
Mei-Lin visits her grandmother at regular intervals, usually every two weeks.
Mei-Lin 每隔固定時間探望祖母，通常每兩週一次。
at regular intervals with personal schedule
The fire alarm system is tested at regular intervals to keep the building safe.
火災警報系統每隔固定時間進行測試，以確保建築物安全。
Tara's blood pressure is checked at regular intervals during her hospital stay.
Tara 住院期間每隔固定時間量一次血壓。
- periodically
more formal; suggests planned recurrence rather than strictly equal spacing
- at set times
less common but synonymous; emphasises that the times are pre-determined
- every so often
informal; does not require equal gaps — less precise
- at irregular intervals
the direct opposite — gaps of unequal or unpredictable length
- sporadically
happening occasionally without any pattern
文法句型
at regular intervals of [length of time]
用法筆記
Often used with timetables, maintenance schedules, medical checkups, and recurring natural events. The phrase usually appears after a verb describing the repeating action.
常見錯誤
2. placed or arranged so that the distance between each item is the same.
每隔固定距離
物品之間以相同距離排列
placed or arranged so that the distance between each item is the same.
The streetlights were installed at regular intervals along the main road.
路燈沿著主要道路每隔固定距離安裝。
at regular intervals + along [route] for linear spacing
Ahmed planted rose bushes at regular intervals around the edge of the garden.
Ahmed 在花園邊緣每隔固定距離種植玫瑰叢。
The artist placed the sculptures at regular intervals throughout the gallery.
藝術家在畫廊空間中每隔固定距離放置雕塑。
The architect designed tall windows at regular intervals across the school's front wall.
建築師在學校正面外牆每隔固定距離設計了高大的窗戶。
- evenly spaced
more common in technical/descriptive writing; directly states the equal distance
- at equal distances
synonymous but slightly more formal
- equidistantly
very formal or technical; rare in everyday speech
- at irregular intervals
items placed without equal spacing
- haphazardly
in a random or disorganised way, with no pattern
文法句型
at regular intervals along/across/around [place]
用法筆記
Commonly describes physical objects placed along a line, path, or boundary. The thing doing the placing (subject) is typically a person or organisation; the placed items are named in the object.