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 data清除数据

1. At that time, a handsome male English teacher came over to help clear the hallway.
   这时，有位帅帅的男英文老师过来帮忙净空走廊。
2. Newark Airport even took special actions to clear the runway so that the flight could land successfully.
   为了让这架班机顺利降落，纽瓦克机场还特地净空跑道。