purchased

['pə:tʃəst]

adj. 购买的
动词purchase的过去式和过去分词

例句与用法：

They purchased life at the expenses of honor.

他们以牺牲名誉为代价换得了生命。

External hard disks can be purchased alone and then attached to the microcomputer with cables; they are used for backing up large amounts of data or for additional storage capacity.

内部硬盘永久性地安置在微机内，只有需维修或更换时才取出。外部硬盘可以独立购买，通过电缆线与微机相连。

A term applied to software(possibly to other items) that are available from a manufacturer or supplier only as part of a package(say, of a new computer) and cannot be purchased separately.

用于说明由厂商提供的软件(也可用于说明其它物品), 只作为产品(如一台新计算机)的一部分，不能单独购买。