in·sig·nia /ɪnˈsɪgniə/
勛章,徽章
In·sig·ni·a n. pl.
1. Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.
2. Typical and characteristic marks or signs, by which anything is known or distinguished; as, the insignia of a trade.
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insignia
n : a badge worn to show official position