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。
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。
Flaming torches were positioned at intervals along the terrace.
走廊上间隔地插着燃烧着的火炬。
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。
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。
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。
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。
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。
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。
Meetings take place at fortnightly intervals.
每两周开一次会。
A Laura-like apparition visited Clemens' dreams at intervals throughout the rest of his life.
在克莱门斯的余生中，一个像劳拉一样的幽灵不时造访他的梦境。
He breathed short, his face wore a placid satisfied expression, and at intervals he faintly murmured, "Poop-poop!"
他呼吸急促，脸上带着一种平静而满意的表情，不时低声嘟囔一声：“噗噗！”
He visited his parents at irregular intervals.
他不定期地看望父母。
The day should be mainly dry with sunny intervals.
白天大部分时间应无雨，间有阳光。
Check the oil at regular intervals, and have the car serviced regularly.
定期检查机油，经常保养汽车。
George struggled wildly, going under and resurfacing at regular intervals.
乔治疯狂地挣扎着，不断在水面上浮浮沉沉。
It soon became clear that there were multiple glacial ages during the Pleistocene, with warmer interglacial intervals between them.
很快我们了解到，在更新世存在多个冰川期，其间还包括多个温暖的间冰期。
She's delirious, but has lucid intervals.
她神志昏乱，但有时清醒。
Kites whooshed above the beach at intervals.
风筝在海滩上空时隐时现。
The forecast said there would be sunny intervals and showers.
预报间晴，有阵雨。
A man in camp took a barometer reading at half-hour intervals.
营地里的一个人每半小时看一次气压计。
She woke him for his medicines at intervals throughout the night.
整个晚上她不时叫醒他，让他吃药。
At intervals, he was still heard to murmur, "Poop-poop!"
时不时地仍听到他嘀咕着：“噗噗！”
A book lay spread on the sill before her, and the scarcely perceptible wind fluttered its leaves at intervals.
她面前的窗台上摊着一本书，几乎觉察不到的风不时地吹动着书页。
The doctor visits his patients at their homes at regular intervals.
那医生定期到病人家出诊。
Calendars consist of time intervals.
日历由时间间隔组成。
It rained at intervals this month.
这个月不时地下雨。
Figure 2 Table of repetition intervals.
表2重复学习间隔表。
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