buy的过去式： bought；过去分词： bought.

buy：v.买；购买；够支付；买通；

相关介绍

A developer bought the land and divided it into stands.

开发商买下这块土地将其分为多块建筑用地。

She bought a slightly larger size to allow for shrinkage.

她买了一件尺码稍大的以备缩水。

He bought a new coat for me.

他给我买了一件新外套。