be in dittos

例句：

1. 1. The dittos are the same as the original.
   这些同义词与原词相同。
2. 2. The dittos have been used in place of the original word.
   这些同义词已被用来代替原来的词。
3. 3. The dittos are often used to avoid repetition.
   这些同义词通常被用来避免重复。