词典释义：
an instance of one moving object or person striking violently against another
（猛烈）碰撞
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a mid air collision between two aircraft 两架飞机在空中的相撞
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[mass noun]
his car was in collision with a lorry .他的汽车撞上了一辆卡车。
an instance of conflict between opposing ideas, interests, or factions
（观念、利益或派系间的）冲突；抵触
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a collision between two mutually inconsistent ideas 两种相互矛盾的观念之间的冲突
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the LP is a collision of different styles .这张慢转唱片里录制了风格各异的音乐。
【计 算机】 （内存）冲突，争用。
an instance of simultaneous transmission by more than one node of a network
多点传送。
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on （a） collision course going in a direction that will lead to a collision with another moving object or person 向导致碰撞的方向运行 -
adopting an approach that is certain to lead to conflict with another person or group 采取导致冲突的方法（或态度）的；走强硬路线的；处于必然会引起冲突的局面中的
nurses are on a collision course with the government . 护士们对政府的态度很强硬
"late Middle English： from late Latin