at intervals的意思

adv.
不时，相隔一定距离

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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....
- #at intervals
- #造句
at intervals怎么读

at intervals的音标：...
- #at intervals
- #发音