n.听者；听众；[计算机]侦听
An alert listener will have noticed the error. 耳朵尖的人能听出这个错。
Several people talking at once distract a listener. 几个人同时讲话会使听者分散注意力。
He embroidered on the story to hold his listener's interest. 为了吸引听众他对那则传闻进行渲染。
An event listener is an interface in the View class that contains a single callback method. 在包含单一回拨方法的可视类中，一个事件侦听就是一个接口。
n.听众
