capable /ˈkeipəbəl/ adj. 能干，有能力的：a very capable girl 一个能干的姑娘；one of the most capable generals in history 历史上最有能耐的将领之一 My son is capable as a driver. 我儿子是个技术熟练的驾驶员。(be) capable of… 1.(指人)能够，有技能的：She’s most capable of leadership. 她极富有领导才能。He is hardly capable of executing such a difficult task. 他几乎不可能完成这样困难的任务。2.(指人)有可能做出某种事情：He’s quite capable of neglecting his duty.他很可能玩忽职守。The boy is capable of being taught. 孺子可教。3.(指物)能、可能： The situation is capable of improvement. 形势有可能好转。
capability /ˌkeipəˈbiliti/ n. [u] 能力，才能；性能：［考句］Radar is used to extent the capability of man’s sense for observing his environment, especially the sense of vision.雷达是用来增强人类观察环境的感官能力的，特别是视觉能力。
