at regular intervals的用法和樣例：
例句
- The quality or state of being periodic; recurrence at regular intervals.
周期性周期出現的性質或狀態; 以固定的間隔而發生 - If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals.
如果我們觀察水波的橫截面，我們會看到波形是按一定的間隔重複的。 - A publication issued at regular intervals of more than one day.
期刊以多於一天的周期定期出版的出版物 - He comes back to see us at regular intervals.
他每隔一段時間就回來看看我們。
