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capacity和capability两个单词很相似，很多人会将capacity和capability的意义弄混，在用法上两者也很相近，所以为了帮助大家区分capacity和capability两者之间的差别，本文先为大家解析capacity和capability各自的意思和用法。
capacity
capability
capacity和capability的区别
一、capacity（1）容积，容量；生产能力；办事能力
The playground has a seating capacity of 60,000.
这个操场能容纳6万人。
The game was watched by a capacity audience of 80,000.
比赛场座无虚席，8万观众观看了比赛。
It seems to be beyond his capacity to follow simple instructions.
他好像连简单的指令也听不懂。
Do you think it's within his capacity to do the job without making a mess of it?
你认为他有能力完成这项工作而不把它搞砸吗？
The generators each have a capacity of 1,000 kilowatts.
每台发电机都有1000千瓦的发电能力。
The larger cars have bigger capacity engines.
大轿车引擎功率也比较大。
All our factories are working at capacity.
我们所有的工厂都在满负荷运行。
We are running below capacity because of cancelled orders.
因为订单取消，我们的工厂开工不足。
The purchase of 500 tanks is part of a strategy to increase military capacity by 25 percent over the next five years.
购买500辆坦克是在今后5年里将军事力量增加25%的战略计划的一部分。
（2）职位；工作；角色
She guides tourists at the Martin Luther King Jr. Birth Home in her capacity as a National Park Service ranger.
作为国家公园管理局的管理员，她陪同游客参观马丁·路德·金的出生地。
She was speaking in her capacity as a novelist, rather than as a television present
她是作为小说家而不是电视节目主持人在发言。
二、capability（1）能力；才干；水平
These tests are beyond the capability of an average twelve-year-old.
这些测试超出了一个普通12岁孩子的能力。
With the new machines we finally have the capability (= power) to do the job properly.
有了新机器，我们终于有能力很好地完成该工作。
（2）军事力量
Several countries are trying to develop a nuclear capability.
几个国家正在试图发展核力量。
三、capacity和capability的区别1.联系：capacity, capability都能够用来表示人的才干和能力。
2.区别：capacity侧重指人的潜在能力，通常不指体力，多指才智，尤指接受与领悟能力。
capability多指胜任某项具体工作的能力，也指本身具有、尚未发挥的潜在能力。常与of或for连用。
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