After a late entry into the American Civil War, delayed by suspicions of newfangled weapons among some senior soldiers, the Gatling gun was put to use at home and abroad.

加特林机枪在美国内战晚期被用于了战场，这场战争由于某些高级官员对新式武器忧心忡忡而被拖延，之后加特林机枪便在国内与国外得到广泛使用。

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For example, security guards should patrol on campus around teaching buildings and student dorms, and enforce strict entrance checks, barring entry to anyone carrying a gun or a knife.

例如，保安人员巡逻在教学楼和学生宿舍的校园，并执行严格的入口把关，禁止任何人进入拿枪或刀。

youdao

For example, security guards should patrol on campus around teaching buildings and student dorms, and enforce strict entrance checks, barring entry to anyone carrying a gun or a knife.

例如，保安人员巡逻在教学楼和学生宿舍的校园，并执行严格的入口把关，禁止任何人进入拿枪或刀。

youdao