secret identity code保密识别码
secret codesecurity code保密码
The Secret Code神起密码;东方神起;密电码;四辑
send secret code发送密码;发送秘密代码;派密码
A Secret Code一个密码
traditional secret code传统密码体制
electronic secret code lock电子密码锁
advanced secret code高级密码
voice communication secret code通话密语