He and I clean our room on alternate days.He and I clean our room on alternate days.
我和他隔日轮流打扫我们的房间。
C1 If something happens on alternate days, it happens every second day:C1 If something happens on alternate days, it happens every second day:
Private cars are banned from the city on alternate days.
C1 If something happens on alternate days, it happens every second day.C1 If something happens on alternate days, it happens every second day.
间隔的;每隔(…时间)的 Private cars are banned from the city on alternate days. 该市私家车限隔日出行。
Tom and Harry do the work on alternate days.Tom and Harry do the work on alternate days.
汤姆和哈里隔日轮流做这工作。