The young man stared into his glass mournfully.

年轻悲哀地盯着他的镜。

A man's mind is a mirk mirror.

是朦胧的镜；难测。

We centered the mirror on the wall.

我们把镜挂在墙的中央。

The mirrors all round the walls give an illusion of greater space.

墙壁周围的镜造成种较大空间的假象。

Steam has fogged the bathroom mirror.

水蒸气遮住浴室的镜。

Instead of the solid block of glass of the prism in pentaprism system, here 3 simple mirrors are used to perform the same task.

五镜不是用整个璃棱镜，而是用3块镜来达到相同的目的。

I am unconfident and upset, and don't know that never does the mirror beautify or uglify me, it is my heart that has enslaved me to it.

自卑惆怅的我却不知，不是镜把我照美或是照丑，而是我的让我成了镜的奴隶。

An instrument in which a mirror is automatically moved so that it reflects sunlight in a constant direction.It is used with a pyrheliometer to make continuous measurements of solar radiation.

定日镜种仪器，装有会自动调控的镜，以便不断朝某恒定方向反射日光。

If there were any inhabitants of the moon, they would see our earth reflecting the light of the sun, again like a huge mirror hung in the sky. They would speak of earthlight just as we speak of moonlight.

假如月亮上有居民，他们也会看到我们反射太阳光的地球同样就像个巨大的镜悬在空中，他们也会像我们谈论月光那样谈论地球光。