词典释义：
spread over or occupy (a place) in large numbers
覆盖（某地）；蔓延于；大批出没于
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the Mediterranean has been overrun by tourists .有大量的游客来到地中海。
conquer or occupy (territory) by force
占领（领土）；武力侵占
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the northern frontier was overrun by invaders .北部边境被入侵者占领。
move or extend over or beyond
越过；延伸到…之外
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let the text overrun the right-hand margin .让文字超行到了右侧页边。
run over or beyond (a thing or place)
跑过（某物，某地）；超越
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Rufus overran third base .鲁弗斯跑过了三垒。
rotate faster than (another part of a machine)
比（机器的另一部分）转速快
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[as adj.
overrunning ]an overrunning clutch .超限离合器。
continue beyond or above (an expected or allowed time or cost)
超过（时限，预期成本）
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he mustn't overrun his budget 他不可以超出预算
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[no obj.]
he inadvertently allowed the match to overrun by 2 minutes .他不小心让比赛超时了两分钟。
an instance of something exceeding an expected or allowed time or cost
超时；费用超出
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the cost overrun caused the company's share price to fall 费用超支造成公司股票价格下跌
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[mass noun]
an increase in the budgeted fee due to overrun of the project .由于该项目超支引起的预算费用的增加。
[mass noun]the movement or extension of something beyond an allotted or particular position or space
超限运动（或延伸）
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the system acts as a brake to prevent cable overrun .该系统具有刹车功能用于防止钢缆超限运动。
[count noun]a clear area beyond the end of a runway
（机场跑道的）保险道。
[mass noun]the movement of a vehicle at a speed greater than is imparted by the engine
（车辆的）超限运动。
"Old English
