Variationally
变化\\n变度\\n变奏\\n变差
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
Do you have any suggestions.
你说怎么办？