clear
【词性】:v. 【释义】: 扫除,清除 ◇clear for flying许可飞行clear the battlefield扫清战场clear the obstacle飞越障碍clear the runway离开跑道clear to go准许起飞clear to land允许著陆 ‖clear message明码电报clearance[′klirns]n.清除,批准,许可 ◇clearance for flight飞行许可clearance for takeoff起飞许可clearance to land著陆许可clearance operation扫雷作业 |