名词飞机，航空器，
名词
1. The airline ordered 15 new aircraft.
那家航空公司订购了十五架新飞机。
1. 航行器：不同运动方式对角速度的接受方式不同,典型的是坦克和航行器(Aircraft):前者接受为转向,即在中心线速度为0时扭转方向;后者接受为转弯,即只有当中心以自身线速度前行时才能同时扭转.
2. 飞行器：根据美国联邦法规全书(CFR)第14篇第一部分的定义和缩写,飞行器(Aircraft)是一种用于或者可用于飞行的设备. 飞行员执照的飞行器分类包括飞机(Airplane),直升机,气球类(lighter-than-air),动力升力类(powered-lift),以及滑翔机.
1. 飞机；飞行器；航空器
An aircraft is a vehicle which can fly, for example an aeroplane or a helicopter.
e.g. The return flight of the aircraft was delayed...
回程航班被延误了。
e.g. At least three military aircraft were destroyed.
至少3架军用飞机被毁。
1. 飞机；飞行器；航空器
An aircraft is a vehicle which can fly, for example an aeroplane or a helicopter.
e.g. The return flight of the aircraft was delayed...
回程航班被延误了。
e.g. At least three military aircraft were destroyed.
至少3架军用飞机被毁。