ability(能力)指智力或体力上的能力,主要指人.这种能力可能是先天的,也可能是通过学习或锻炼等方法而获得的.A pilot has the ability to fly his plane through a storm.飞行员有驾驶飞机穿过暴风雨的本领.He shows considerable ability in organization.他表现出相当强的组织能力.其反义词是:disability,inability,incapability,incapacity

capability(能力)意义与ability相同,可指人或物.复数形式指潜在的能力.The task is beyond his capabilities.

他不能胜任这项任务.I don t think that boy has great capabilities.

我认为那孩子没有多大潜力.The country has the capability to defeat the aggressor.

这个国家有能力击败任何侵略者.