释义 |
by NOT LATER THANbaIprepnot later than; at or before不迟于;早于She had promised to be back by five o'clock.她答应五点之前回来。The application must be in by the 31st to be accepted.申请必须在31号之前送到才被接受。By the time I got to the station the train had already gone.我到车站时,火车已经开了。
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