71.interval ['ɪntər•vəl] ／at intervals of

interval ['ɪntər•vəl]    n.间隔

前缀inter-: 在…之间，between

成分val：来自单词wall, n.墙

[固] at intervalsof 时间／距离

例：每间隔一分钟， at intervals of a minute

例：每间隔一米，at intervals of a meter

例：The processis repeated after a short interval of time.

该程序间隔很短时间就重复一次。

例：...duringthe interval of the musical "Steppin' Out."

…在音乐剧《影舞追梦》的幕间休息期间。

例：She woke himfor his medicines at intervals throughout the night.

整个晚上她不时叫醒他，让他吃药。

例：Several redand 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。