Based number
[計] 帶基數
?? 詞語組成解析
v. 立基于, 以…為基礎（base的過去式和過去分詞）
??? 情景例句
When you start to work, I'll give you $ 2,500 a month.
開始上班時，給你每月2500美元。
Call the doctor!
快打電話叫醫生！
When he was decorating his house, he had gotten the bedroom painted first.
他裝修房子時，先刷了臥室。