board a train
上火车。
[with obj.]put or allow on board a train
使上火车，让…上火车。
(of a current or fluid)incorporate and sweep along in its flow
（水流或流体）卷走，冲走。
cause or bring about as a consequence
导致，产生
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the triumph of a revolution was measured in terms of the social revision it entrained .革命的胜利是按照它所带来的社会变革来衡量的。
【生】 （节奏，按节奏变化的事物）使（另一个）与其同步，使成同步。
[no obj.](
与…成同步。
enthusiasm or animation
热情，兴奋，活跃。
"mid 16th cent. （in the sense ‘bring on as a consequence’）： from French