buy [bai] n. 购买,买卖 v. 买 例句与用法: It's a good buy at that price. 这是一笔价钱合算的买卖。 They bought peace with their freedom. 他们牺牲自由换取和平。 Money can't buy happiness. 金钱买不来幸福。词形变化:形容词:buyable 动词过去式:bought 过去分词:bought 现在分词:buying 第三人称单数:buysI bought a book yesterday.I will buy a cat.
