marshal

空警

A covert law enforcement officer on commercial flights.

商业航班上的便衣执法人员。

联邦法警

A law enforcement officer of a federal judicial district.

联邦司法区的执法官员。

武装法警

A marshal who is carrying a weapon.

携带武器的法警。

总指挥；司仪官

An honorary title for a leader of a parade or ceremony.

游行或典礼领袖的荣誉头衔。

空警

An alternative term for an air marshal.

空警的另一种说法。