火箭发动机

rocket motor的用法和样例：

例句

Rocket motors have many advantages over other forms of propulsion.火箭发动机比其他推进器有许多优点。
The liquids employed for rocket propulsion are called propergols.用于火箭发动机的液体称为液体火箭推进剂。

地道英语在线听-Rocket 快速上升

Going up quickly, like a rocket Helen: Hello, this is Real English from BBC Learning English. Im Helen. Zo: 你好吗? 我是刘佳。 Helen: Today were going to look at words and phrases that have recently become part of the English language. Zo: 地道英语

发表于:2018-12-07 / 阅读(74) / 评论(0)

地道英语在线听

听广告学英语-Motor Show 车展

听广告学英语:Motor Show 展原文：The Asia Pacific International Motor Show, a marine exhibition presents a dizzying(dazzling) array of luxury cars, classic cars, sleek cars, yachts, boats, and water sports. Amazing new product launches, expert advic

发表于:2018-12-07 / 阅读(110) / 评论(0)

听广告学英语

美国习惯用语: Lesson 207 - MOTOR MOUTH / FOOT IN MOUTH DISEA

今天我们要给大家介绍两个以

发表于:2019-01-30 / 阅读(123) / 评论(0)

美国习惯用语

Electric motor made in single molecule

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(72) / 评论(0)

英语新闻

NASA announces design of new rocket

BEIJING, Oct. 18 (Xinhuanet) -- NASA recently unveiled its new rocket design, named Space Launch System (SLS), according to media reports. The rocket will make its first unmanned flight in 2017, and the flight with astronauts aboard won't happen unti

发表于:2019-02-13 / 阅读(50) / 评论(0)

英语新闻

地道英语在线听-Motor 汽车

Presenter/producer: Jean Dong Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that you might not find in your English text book. Jean: 学习英式英语非常重要的一部分就是要

发表于:2019-02-26 / 阅读(138) / 评论(0)

地道英语在线听

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学英语单词

-i

a-c-c

acyl-CoA ester

adenosinetriphosphatase

articulation of humerus