clearoutn.清理clearadj.清楚的；明确的；明白(某事)的；清晰的；清澈的；晴朗的；头脑清醒的v.清空；清除；澄清；放晴；使明确adv.清楚地；彻底地n.空地clear field vehicle清场车clearing of section区段出清,取消闭塞clear combing chain清梳联clear sb.'s skirtclearing stock sale清货减价clearing-out drop话终吊牌clear-back signal反向拆线信号clear cutting board净面材clearing of a fault排除故障clear-cut example简明的例子