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1·Trains leave at hourly intervals.

火车每隔一小时发出一列。《牛津词典》

2·Cars passed at irregular intervals.

汽车以不规律的时间间隔驶过。《柯林斯英汉双解大词典》

3·The runners started at 5-minute intervals.

赛跑的人每隔5分钟出发一批。《牛津词典》

4·Flaming torches were positioned at intervals along the terrace.

走廊上间隔地插着燃烧着的火炬。《牛津词典》

5·Several red and white barriers marked the road at intervals of about a mile.

每隔1英里左右就有一些红白相间的路障来标示道路。《柯林斯英汉双解大词典》

6·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。

7·Time sampling means that researchers choose various time intervals for their observation.

时间采样是指研究人员选择不同的时间间隔进行观察。

8·At long intervals, he drew his thumb along the edge of his knife, and nodded his head with satisfaction.

每隔很长一段时间，他就用大拇指摸摸刀刃，满意地点点头。

9·For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds.

第二和第三篇阅读材料，会一句一句或一个词组一个词组地读，间隔15秒。

10·That means the researcher might decide to observe only during 15 second intervals that are randomly distributed within each 20 minute period.

这意味着研究人员可能会决定只观察在每20分钟内随机分布的15秒间隔。

(1)at regular intervals每隔一定时间（距离）

(1)at intervals ofadj. 每隔

(1)at short intervals常常