outrider

US /ˈaʊtˌraɪ.dɚ/

UK /ˈaʊtˌraɪ.dɚ/

开道者, 护卫

a person who rides on horseback or in a vehicle as an escort or guard

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The dignitary's motorcade was led by a team of police outriders.

贵宾的车队由一支警察开道车队引导。

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Historically, outriders were common for royal processions.

历史上，开道者在皇家游行中很常见。