code translation

例句：

1. 1. The code is a secret language that only the sender and receiver understand.
   这个密码是一种只有发送者和接收者理解的秘密语言。
2. 2. The code was broken by a team of experts who quickly decrypted the message.
   一个专家团队破解了密码，迅速解密了信息。
3. 3. The company uses a complex code to protect its intellectual property.
   该公司使用复杂的密码来保护其知识产权。