Definition: once every hour Level: C1
快车每小时从3号站台发车一次。
The express train departs ___hourly from platform 3.
这条线路的公交车每小时一班，所以你不用等太久。
Buses on this route arrive ___hourly, so you won't have to wait long.
在高峰时段，安保团队每小时对场所进行一次巡逻。
During peak hours, the security team conducts ___hourly patrols of the premises.
