boarding check 登机牌plane ticket 飞机票flight, flying 飞行bumpy flight 不平稳的飞行smooth flight 平稳的飞行ramp 扶梯altitude, height 高度extra flight 加班non-stop flight 连续飞行circling 盘旋forced landing 迫降speed, velocity 速度ceiling 上升限度cruising speed 巡航速度top speed 最高速度first class 头等舱night service 夜航airsick 晕机to taxi along 滑行landing 着陆to face the wind 迎风air route,air line 航线climbing,to gain height 爬升economy class,tourist class 经济舱connecting flight 衔接航班direct flight, straight flight 直飞to rock, to toss, to bump 颠簸to lose height, to fly low 降低to take off, take-off 起飞to board a plane,get into a plane 上飞机to get off a plane,alight from a plane 下飞机