(of a clock)be set to an earlier standard time, especially at the end of summertime
(尤指夏令时结束时)(时钟)被拨回到原来的时间。
(of two people)have known each other for a specified, typically long, period of time
(两个人)相互认识了一段时间(多指较长时间)
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Victor and I go back a long way .我和维克托认识很长时间了。