短語詞組短語recurring at regular intervals 循環(huán)Automatically At Regular Intervals 自動(dòng)定期Replace at regular intervals 定期更換rotate at regular intervals 定期輪換pay interest at regular intervals 按期付息Rubbish cleared at regular intervals 垃圾定時(shí)清理oil change at regular intervals 機(jī)油更換間隔裡程 返回 at regular intervals