以上来源于: WordNet
N any dipterous fly of the family Syrphidae, with a typically hovering flight, esp Syrphus ribesii, which mimics a wasp 食蚜蝇
It's not as dramatic as a hover, but it will fly loops in the air, and it will await further tasking.
这不象电影上的那种盘旋，但它会在空中不断绕圈子，直到有下一步的任务。
Pilots who train with this system can learn to fly blindfolded or to carry out complex maneuvers, such as holding the helicopter in a stationary hover.
经过训练而能熟练操作这种系统的飞行员就可以实现盲飞，或者进行某种复杂的飞行动作，例如让直升机稳定地停定在半空中。
Hummingbirds are well known for their wing speed and ability to hover and fly forward and backward with more precision than a helicopter.
众所周知，蜂鸟的翅膀拍打速度极快，它即可以凌空悬停，也可以快速向前飞行和向后飞行，其飞行的精准度甚至超过了直升机。
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