B—B—C—001 C 3 5{A}公安部一所CMEX-V6550B机型X射线机在出现紧急情况时，按下紧急断电按钮可以使系统立即关闭。

A—B—F—008 B 3 5{A}The article that can burn easily is{.XZ}.

A—B—F—008 B 3 5{A}{.XZ}means the usual way of doing something.

A—B—F—008 B 3 5{A}Can you put me on{.XZ}flight to Harbin?

A—B—F—008 B 3 5{A}Can you suggest me an alternate flight?——{.XZ}

A—B—F—008 B 3 5{A}CA973 is the{.XZ}.

A—B—F—008 B 3 5{A}{.XZ}means saying sorry to someone that you’ve hurt them or caused trouble for them.

A—B—F—008 B 3 5{A}——What should I do first before boarding?——{.XZ}

A—B—F—007 B 3 5{A}——Which flight are you going to{.XZ}?——Flight MU875.

A—B—F—007 B 3 5{A}Airport fee is airport{.XZ}fee.

A—B—F—007 B 3 5{A}A flight from one country to another country is called a {.XZ}.