1.
crashing aircraft and parts or articles falling from aircraft and other flying objects;
飞机坠毁、飞机部件或飞行物体坠落;
2.
an unidentified flying object
不明飞行物体,飞碟((或称飞碟等; 略作 UFO))
3.
XiaoMing was riding his bike when the UFO took off.
不明飞行物起飞时,小明正在骑自行车.
4.
a method of controlling the flight of a missile by devices that respond to inertial forces.
由惯性引导飞行物飞行的操控方法。
5.
The Scientific Study of Unidentified Flying Objects
不明飞行物的科学研究
6.
The witnesses claimed to have seen a UFO flying across the sky.
目击者们声称看到了一只不明飞行物飞过天空。
7.
No, it can not be a UFO .
不，不可能是个不明飞行物。
8.
Is that a UFO in the sky ?
天上那东西是不是个不明飞行物?
9.
an outlandish glow came from the UFO.
从不明飞行物上发出奇特的光。
10.
Some people were reported to have seen Unidentified Flying Objects .
据报道，有人看见了不明飞行物。
11.
contact flying
可看到地面景物的飞行
12.
the physics of supersonic flight.
超音速飞行的物理性质
13.
parabolic flight aircraft
沿抛物线飞行的航空器
14.
Low- flying aircraft terrify wild animals.
低飞的飞行器令野生动物惊恐。
15.
To travel by helicopter or transport(someone or something) by helicopter.
用直升飞机乘直升飞机飞行或用直升飞机运载（人或物）
16.
One, such as an insect or a bird, that flies with wings.
飞行者一种如昆虫或鸟等用翅膀飞行的动物
17.
the pilot ins charge of an airship.
负责飞船飞行的飞行员。
18.
The first objective was long-duration flights, with men in orbit for up to 7 days, animals for up to I4.
第一个目标实现载人飞船在轨道上飞行7天，搭载动物飞船飞行14天。