code step

例句：

1. 1. The programmer needs to enter the correct code tomake the machine work properly.
   程序员需要输入正确的代码使机器正常工作。
2. 2. Thecompany uses a unique codesystem for its employees.
   该公司使用一种独特的员工代码系统。
3. 3. The secretcode was broken by a clever thief.
   一个聪明的小偷破解了秘密代码。