2.the space above the ground; the sky.Birds fly through the air.aire 3.appearance.The house had an air of neglect.aspecto 4.a tune.She played a simple air on the piano.aire verb 1.to expose to the air in order to dry or make more freshetc.to air linen.airear,ventilar ...
Stop blowing it and the air rushes out. Now it’s 16 to see the balloon fly the other way. The rocket needs to 17 out much material with high speed. 18 , it must go opposite the way we want the rocket to. Rockets use high-speed gases, 19 coming out of the burning fuel and ...
1. Airplanes are vehicles designed for flight, typically heavier than air and powered by engines.2. In the context of aviation, the term "airplane" refers to any type of aircraft.3. Airplanes are essential for various purposes, including transportation, travel, and military operations...
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has to have the basic characteristics of both an aircraft and a car. It would have to be light enough to fly in the air and strong enough to move on the road. Because a flying car would have the ability to land, it would have to be able to take the impact of hitting the road. ...
” said our teacher. “That is the farthest till now.” I jumped very happily. Then, there was only one boy left. He threw his airplane into the air excitedly. Finally, it landed a little farther than mine. Bill ran to pick 4 his airplane and told us that he added a clip at the...
The 180-passenger D "double bubble" series was designed to replace the Boeing 737 class aircraft,the most popular jetliner in the world right now.The design is called a "double bubble" because it uses two partial cylinders(气缸)placed side by side.Those two cylinders create a wider structure...
However, the air must not betoothin. "Most commercial airliners have what we call a 'service ceiling' of up to 45,000 feet," says former pilot Dan Bubb, now a professor at the University of Nevada, Las Vegas. "The service ceiling is the point where the airplane can no longer develop...
most popular jetliner in the world right now. The design is called a "double bubble" because it uses twopartial cylinders (气缸) placed side by side. Those two cylinders create a wider structure that looks like two soap bubbles joined together. In today's commercial airplanes, air flows ...
The key areas we're focused on now are new airplane technologies that help lower emissions. Vik Krishnan: Shifting gears a bit, at last year's Paris Air Show, there was a lot of talk about new technology, eVTOLs [electric vertical take-off and landing aircraft...