code field

例句：

1. 3.
   计算机
2. 1. The code is a series of symbols that represents a message.
   代码是一系列代表信息的符号。
3. 2. The programmer needs to input the correct code to make the machine work properly.
   程序员需要输入正确的代码使机器正常工作。
4. 3. The computer has a built-in code that allows it to perform basic tasks.
   这台电脑内置了一套代码，可以执行基本任务。