at intervals怎么读

at intervals的音标：

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at intervals例句

At intervals there were red warning lights.红色警示灯一明一灭地闪着。Kites whooshed above the beach at intervals.风筝在沙滩上空时隐时现。These cars are put at intervals of three meters.这些车每隔三米放一辆....
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- #造句
at intervals的意思

adv.不时，相隔一定距离...
- #at intervals
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