空速指标, 在空速表上可以调整的指针.AIRSPEED INDEX , An adjustable pointer on the airspeed indicator.您不一定牵涉到维护具体空速在巡航飞行.You're not necessarily concerned with maintaining a specific airspeed in cruise flight.安装起落架地面安全销 、 空速管套.Install...
The singing and carousing did not end until after midnight.人们把酒纵歌，一直闹腾到后半夜。During the next nine years he alternated between service in several armies and carousing in Paris.在那以后的九年里,他时而在几个军队中服役,时而在巴黎狂欢作乐.In his youth Geo...
Mack knew this passage by heart.麦克会背这一段。You must keep repeating the lines until they are known by heart.你必须反复朗读这几行一直到能背诵为止.The boy learned the poem by heart.这男孩背下了这首诗....