• 准星:枪炮口瞄准金属突起,来福上的准星

    A small metal knob on the muzzle of a firearm, such as a rifle, used for sighting.

    youdao

  • 准星:枪炮口瞄准金属突起,来福上的准星

    A small metal knob on the muzzle of a firearm, such as a rifle, used for sighting.

    youdao

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