mnemonics

例句：

1. 1.The mnemonic system helped me remember the order of the numbers.
   这个记忆法系统帮助我记住了数字的顺序。
2. 2. Mnemonics are used to help people remember complex information.
   助记法是用来帮助人们记忆复杂信息的。
3. 3. In this mnemonic, the first letter of each word is repeated twice.
   在这个助记法中，每个单词的首字母重复两次。