热气的英文：
steam
heat

参考例句：

Don't scald your hands
小心热气嘘着手。

The hot water was steaming.
热水在冒热气。

Top the steaming hot potatoes with a knob of butter.
在冒热气的马铃薯上放一小块黄油。

On the boil sure enough: a plume of steam from the spout
水确实烧开了，壶里正冒着一缕状似羽毛的热气。

A blast of hot air
一股热气

The sidewalks reflect heat on a hot day.
在热天，人行道反射热气。

a cup of steaming milk
一杯在冒热气的牛奶

Heat escaping through a window
从窗户散发出的热气.

The cup of coffee was steaming.
那杯咖啡在冒热气。

The pavement reflects heat on a hot day.
在热天里，人行道反射热气。

steam是什么意思：
n. 蒸汽，水汽
v. 快速行走，（靠蒸汽）行驶

Steam has fogged my glasses.
蒸气使我的眼镜模糊不清。

The boiler discharged steam.
锅炉排放了蒸汽。

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

The valley is watered by a steam.
这山谷有一条小溪流过。

ship under steam
在行驶中的船

heat是什么意思：
n. 热；强烈的感情
v. 使变热或变暖；使激动

incomplete heat
不完全发情

heating installation
暖气设备|供暖装置

at a white heat
在盛怒之下|在感情万分激动之下

Heat exhaustion (or heat prostration)：Response of the body to excessive heat.
热衰竭:身体对过热的反应。

Suitable for Water (Potable) Heating and Space Heating
可用于饮料水加热系统或建筑物供热系统