key in

例句：

1. 1.Please key in your password when you log in.
   当你登录时，请输入你的密码。
2. 2. The door key is on the table.
   钥匙在桌子上。
3. 3. She keyed in her code to get into the computer system.
   她输入了她的代码来进入计算机系统。