So far, none of his vertical take-off and landing prototypes has risen much more than a few feet.

目前为止，他的任何一款垂直起降的原型机还没有离地超过几英尺。

youdao

It will have a vertical take-off and landing capability and emergency airframe parachutes, and it will be capable of using various fuels.

它将具有垂直起落能力，并配备有应急机体降落伞，而且它将能够使用多种燃料。

youdao

A vertical take-off aircraft can rise straight from the ground, without running along for some distance.

垂直起飞的飞机，不用助跑就可直接从地上升起。

youdao

First, the ducted fan design allows the car to achieve the speed and maneuverability of a helicopter -- 155 mph, 12, 000-foot altitude, two hours of flight time, vertical take off and landing -- but removes the dangers of exposed rotors, allowing the "car" to sidle up to buildings for rescue missions, or coexist in close quarters with other vehicles.

ENGADGET: Urban Aeronautics plans X-Hawk flying car for 2010

Bezos has been funneling money into the Texas firm for years in hopes of developing a vertical take-off, vertical landing rocket.

FORBES: Jeff Bezos: Amazon's Rocket Man Keeps Getting Richer

Bezos has been funneling money into Blue Origin for years in an attempt to build a successful vertical take-off, vertical landing rocket.

FORBES: Jeff Bezos' Spacecraft Blows Up In Secret Test Flight; Locals Describe 'Challenger-Like' Explosion