GbEng
我再说一遍: 跑道尚未畅通, 不能起飞. I repeat: the runway is not clear for take-off.
这条新跑道将近六英里长. The new race track is nearly six miles in extent.
飞机在跑道上滑行. The plane taxied/was taxiing along the runway.
这架军用飞机着陆前在着陆跑道上空盘旋了一阵。 The military aircraft circled over the landing strip for some time before it landed.