that is to say 在句子中的成分

This is the famed citation index, that is to say the number of times a paper has been quoted elsewhere in the scientific literature, the assumption being that an important paper will be cited more often than one of small account.

请问在句子中, that is to say 做什么成分呢?

请先 登录 后评论

最佳答案 2021-07-05 11:07

      that is to say 是插入语。

请先 登录 后评论

其它 0 个回答

  • 1 关注
  • 0 收藏,1807 浏览
  • chenchenyi 提出于 2021-07-04 00:20