Based variable
[计] 基本变量, 有基变量
🧩 词语组成解析
v. 立基于, 以…为基础（base的过去式和过去分词）
🗣️ 情景例句
I would like to buy some stamps, please.
我想买些邮票。
Don't leave before I return.
在我回来之前请不要离开。
I doubt it.
我怀疑。