Hot objects emit infrared radiation.热物体发出红外辐射。

The felled trees are burned and so emit carbon dioxide.砍伐的树木被烧掉, 放出二氧化碳。

Polly blinked and emitted a long, low whistle.波莉眨了眨眼, 吹了一声低沉而悠长的口哨。

He emitted a sound of genuine distress.他发自内心地发出一声悲鸣。

The new device emits a powerful column of light.这个新装置发出一柱强烈的光。

The pipe emitted a stream of brown water.管子里流出一股褐色的水。

The crate emitted a strange odour.板条箱散发出一种奇怪的气味。