Grammar-based definition
[计] 基于文法的定义
🧩 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
All right, let's get down to business.
好，我们来谈正事吧。
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
Now let's go downstairs and have a cup of tea.'
来，咱们下楼去喝杯茶吧。”