音标：[kə'lɪʒnz] ；

n. 碰撞( collision的复数形式 ); 冲突; （两人之间或对立意见、看法等之间的）冲突; 抵触

n. (physics) a brief event in which two or more bodies come together
n. an accident resulting from violent impact of a moving object
n. a conflict of opposed ideas or attitudes or goals

collisions的用法和样例：

例句

A hub reduces the number of collisions on a LAN.一个毂减少一个区域网络上的碰撞数字。
But that does not mean collisions are uncommon.但这并非表示恒星碰撞是不寻常的。

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awsa (american water storage association)