| 释义 |
DEFINITIVE EXAMPLES 权威例句〔autogiro〕An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift.旋翼机：在飞行中以常规的螺旋桨来驱动并靠惯性滑行支持的，提供升力的水平旋转仪美国传统〔dumpy level〕A surveyor's instrument having a short telescope fixed rigidly to a horizontally rotating table.定镜水准仪：测量员用的仪器，其水平旋转桌上固定有短的望远镜美国传统〔ground loop〕A sharp horizontal turn made by an aircraft on the ground when taxiing, landing, or taking off.失控旋转，地转：飞机在滑行、降落或起飞时在地面上发生的失去控制的猛烈水平旋转美国传统 |