ood
object-oriented design,面向对象设计
难易程度:
ood为短语/超纲词汇
ood
Dragon's blood is a bright red resin that is obtained from different species of a number of distinct plant genera: Croton, Dracaena, Daemonorops, Calamus rotang and Pterocarpus. The red resin was used in ancient times as varnish, medicine, incense, and dye.
