The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century.

出自-2014年6月阅读原文

"In theory," says Vallentine, "this can create a high enough temperature to generate super-heated steam.

2018年12月六级真题（第二套）听力 Section C

According to Harry Vallentine, a Canadian engineer who is researching modern steam technology, a special tank measuring 2 by 10 metres could store over 750 kilowatt hours of energy as high pressure steam, enough to pull a two-cart train for an hour or so.

2018年12月六级真题（第二套）听力 Section C

As part of the upgrading of its rail yard, Kasselman, who is an inventor and self-proclaimed "steam visionary", is campaigning for a new steam train that runs without any fire and could run on an existing ten- kilometer line, driving tourists and perhaps

2018年12月六级真题（第二套）听力 Section C

Energy to drive a steam locomotive can be stored in other materials besides water.

2018年12月六级真题（第二套）听力 Section C

On the one hand, the drive to share is gathering official steam.

2017年12月六级真题（第二套）阅读 Section B

The liquid is maintained above its melting point until steam is required, at which point the liquid is allowed to turn back into a solid, releasing its stored energy.

2018年12月六级真题（第二套）听力 Section C

This would generate steam that could be used to fill tanks on a small steam train without the use of fire.

2018年12月六级真题（第二套）听力 Section C

Determined, dad filled our plates with steaming stew and passed them around.

2015年高考英语四川卷 阅读理解 阅读B 原文

Finally, dad turned off the stove, the pot began to cool and the pressure relief valve sprayed out a cloud of steam.

2015年高考英语四川卷 阅读理解 阅读B 原文

Luckily, I discovered the job—data analyst—this month and have been going full steam ahead.

2016年高考英语北京卷 阅读理解 阅读A 原文

Steam engines were used to pull the carriages and it must have been fairly unpleasant for the passengers, with all the smoke and noise.

2017年高考英语全国卷2 语法填空 原文

The easiest is to steam it.

2016年高考英语全国卷3 阅读理解 七选五 原文

The steam-powered printing press was still in its early stages; the literacy rate in england was under 50%.

2018年高考英语浙江卷 阅读理解 阅读A 原文

We've all known people who run out of steam before they reach life's halfway mark.

2019年高考英语天津卷 阅读理解 阅读D 原文