名词
中文翻译：代码
同义词：
['cipher', 'encode', 'algorithm']
例句：
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1. The programmer needs to enter a code to unlockthe door.
程序员需要输入一个代码才能解锁门。
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2. The computer uses a series ofcodes to secure its data.
计算机使用一系列密码来保护其数据。
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3. Thesecret code was written inan old book that was lostfor years.
这个秘密代码被写在一本多年前丢失的旧书中。