单词详解

1. n. [U]

A.蒸汽，水蒸汽，水汽，蒸汽压力（water at boiling temperature diffused in the atmosphere）

Who invented the steam engine? 谁发明了蒸汽机?

The engines are driven by steam. 这些发动机是由蒸汽驱动的。

Steam has fogged his glasses. 水蒸气把他的眼镜遮住了。

B.轮船，乘船旅行（travel by means of steam power）

He used to travel by steam. 他过去常乘轮船旅行。

2. vi. & vt.

A.蒸发，冒热气(emit steam)

The cup of tea was steaming. 那杯茶在冒热气。

The car windows steamed up. 汽车窗户上有一层水汽。

B. (火车，轮船)行驶（travel by means of steam power）

The ship steamed into the harbor. 轮船驶抵港口。

相关词组

steam pressure蒸汽压力

The steam pressure opened the cover of the kettle. 整齐的压力把水壶的盖子顶开了。

相关单词

过去式：steamed

过去分词：steamed

现在分词：steaming

第三人称单数：steams

相关链接

词语辨析：steam, vapour

steam, vapour

作名词，两者都有“气体”之意。

steam:通常指作为动力的蒸汽或水沸腾后产生的蒸汽或水汽。

vapo(u)r:与steam常可换用，多用于科体文章中，指临界温度下气态的物质。

单词详解

1. steam:通常指作为动力的蒸汽或水沸腾后产生的蒸汽或水汽。

There was a puff of steam from the engine before it stopped.

机车喷出一股蒸汽后就停了下来。

2. vapour:与steam常可换用，多用于科体文章中，指临界温度下气态的物质。

When the water is boiled some water turns into vapour.

当水沸腾的时候，一部分水就变成了气体。