B—B—C—001 C 3 5{A}公安部一所CMEX-V6550B机型X射线机开机时先将钥匙插入钥匙孔，然后将钥匙顺时针方向旋转90度。

A—B—F—008 B 3 5{A}You may get your{.XZ}at the check-in counter and then you have to go through the security check.

A—B—F—008 B 3 5{A}——What will happen to me if I refuse the security check?——{.XZ}.

A—B—F—008 B 3 5{A}——How long will the search take? ——It depends. If you don’t have any{.XZ}, it will be very quick.

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}