interval可数吗

interval的意思是间隔、间距，是可数名词，复数形式是intervals.

例句

Buses to the city leave at regular intervals.

开往城里的公共汽车每隔一定时间发出一班。

Trains leave at hourly intervals.

火车每隔一小时发出一列。

Cars passed at irregular intervals.

汽车以不规律的时间间隔驶过。

The runners started at 5-minute intervals.

赛跑的.人每隔5分钟出发一批。

In ancient time, courier station would be established at regular intervals.

古代的时候，人们每隔一定的距离就会设定驿站。