retrorocket

英式音标：['retrəʊˌrɒkɪt]

美式音标：['retroʊˌrɒkɪt]

词汇分类：最全词根词缀表（含例词）,英语听力入门（Step by Step） 1~4重点词汇,Word Menu

词义：

n.

制动[减速]火箭系统；

英英释义

retrorocket[ 'retrəu,rɔkit ]

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

用法：

权威例句

Retrorocket

Retrorocket

Retrorocket

Retrorocket-Assisted Parachute Inflight Delivery (RAPID) system study

Parachute-and-retrorocket landing system for vertical descent

Penetration of retrorocket exhausts into subsonic counterflows.

Low Altitude Retrorocket System (LARRS) - System overview and progress

Effect of retrorocket cant angle on ground erosion - A scaled Viking study

Analgesic effect of retrorocket Promethean on acute pain after fracture

Impact of Retrorocket Plumes on Upper-Stage Aerothermodynamics During Stage Separation

A parachute retrorocket system for low altitude airdrop of cargo andother special applications

A Initial Ignition Altitude for Retrorocket and its Random Deviation Analyzing

INVESTIGATION OF A RETROROCKET EXHAUSTING FROM THE NOSE OF A BLUNT BODY INTO A SUPERSONIC FREE STREAM

造句：

1. If the weather is wet or cold choose an indoor activity.

如果碰上下雨天或是严寒天气，就选择一项室内活动。

来自柯林斯例句

2. Earlier, it had been hoped to use the indoor track.

之前曾经希望能使用室内跑道。

来自柯林斯例句

3. an indoor swimming pool

室内游泳池

来自《权威词典》

4. There is a big indoor swimming pool in this hotel.

这家旅馆内有一个大的室内游泳馆.

来自《简明英汉词典》

5. Facilities include a large indoor pool, jacuzzi and sauna.

设施包括一个大型室内泳池 、 按摩浴缸和桑拿房.

来自《简明英汉词典》

[ indoor 造句 ]