他的制服上佩戴着代表军衔的徽章。
He wore the military ___insignia on his uniform to show his rank.
警察制服上的徽章显示了他的警衔。
The ___insignias on the police officer's uniform show his rank.
校长的制服上别着学校的徽章。
The principal's uniform has the school's ___insignia pinned on it.
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