that is
原始詞典資料1 筆記錄
這個字我們還沒有寫成教學內容。以下是外部詞典記錄的用法，原文照列，方便你先看懂它的意思。
that isadv
- 1
In other words; that is to say. Used to introduce a clarification or explanation
- The Brazilian population is multiethnic—that is, it has many ethnicities.
- We have never met —not formally, that is.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。