事故发生时，这架单引擎飞机正在离地几英尺的空中悬停准备降落，此时遇到了阵风。
The mishap occurred when the single-engine aircraft was caught by a gust of wind while hovering a few feet above the ground before landing.
直升飞机那不停转动的旋翼叶片使其能够在空中悬停，但却限制了它向前的飞行速度。
Helicopters are limited in their forward speed by the spinning rotor blades that make hovering possible.
媒体报道显示，事故发生时这架单引擎飞机正在离地几英尺的空中悬停准备降落，此时遇到了阵风。
Media reports suggest that the mishap occurred when the single-engined aircraft was caught by a gust of wind while hovering a few feet above the ground before landing.
但在去年十月的某天夜晚，Pelican在起飞后，在离地面十米的空中悬停了整整一个晚上。
And yet, one evening last October, the Pelican took off, rose ten metres and hovered throughout the night.
这意味着它能像一架直升机那样作空中悬停，而在向前飞行时，又能降低主旋翼的速度，因为它的一对短翼提供了部分升力。
This means it can hover like a helicopter, but when flying forward can reduce the speed of the main rotor because the wings provide part of the lift.
安装在地面的激光装置连续不断地照射安装在Pelican底部的光伏板，而光伏板则对Pelican的电池连续不断地充电，这使得Pelican能够在空中悬停12小时27分钟。
The laser, aimed continuously from the ground at photovoltaic cells on the Pelican’s underside, charged the chopper’s battery, keeping her aloft for an unprecedented 12 hours and 27 minutes.
蚊虫云集在空中，一只蜻蜓在小溪上悬停着，突然从这边移到另一边。
Midges swarmed in the air, and a dragonfly floated over the stream, darting here and there.
如果你喂它东西吃，它就会把翅膀兜到嘴的前面，悬停在空中，把头遮起来，像猛禽吃食一样。
If you gave it anything to eat, it brought its wings round before the mouth, hovering and hiding its head in the manner of birds of prey when they feed.
这个平衡使得四轴飞行器在空中平稳悬停。
这个平衡使得四轴飞行器在空中平稳悬停。
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