Laceration
来自Big Physics
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etymonline
laceration (n.)
1590s, "act of lacerating;" 1630s, "breach or rend made by tearing;" from French lacération, from Latin lacerationem (nominative laceratio) "a tearing, rending, mutilation," noun of action from past-participle stem of lacerare "tear to pieces, mangle; slander, abuse" (see lacerate).
