that is

短语
大学

(作插入语)那就是

发音

其它
US

释义与例句

adv.
  1. 1.

    In other words; that is to say. Used to introduce a clarification or explanation

    就是说

    换句话说

    亦即

    即系话

    The Brazilian population is multiethnic—that is, it has many ethnicities.

    We have never met —not formally, that is.

词源

From Old English þæt is.

来源：wiktionary