英语词汇“retrorocket”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

WORD FAMILY

retrorocket: retrorockets

USAGE EXAMPLES

Closer landings risk damage to sites of historical importance, from the blast of a retrorocket or a collision.

Science Magazine(Dec 22, 2016)

In the past, getting hardware to Mars has required complex engineering, using a combination of heat shields, retrorockets, parachutes, and more.

The Verge(Apr 29, 2016)

There’s a small crater nearby where the capsule’s retrorockets fired to slow its descent at the last minute.

National Geographic(Mar 04, 2016)

n a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course

Hyper

rocket, rocket engine

a jet engine containing its own propellant and driven by reaction propulsion

单词	retrorocket
释义	retrorocket (once / 110461 pages) n WORD FAMILY retrorocket: retrorockets USAGE EXAMPLES Closer landings risk damage to sites of historical importance, from the blast of a retrorocket or a collision. Science Magazine(Dec 22, 2016) In the past, getting hardware to Mars has required complex engineering, using a combination of heat shields, retrorockets, parachutes, and more. The Verge(Apr 29, 2016) There’s a small crater nearby where the capsule’s retrorockets fired to slow its descent at the last minute. National Geographic(Mar 04, 2016) n a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course Hyper rocket, rocket engine a jet engine containing its own propellant and driven by reaction propulsion
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