It gets its name from white light, which contains all the visible color wavelengths.

它得名于白光，白光包含所有可见的颜色波长。

They let visible wavelengths pass through, but the lens's rounded shape bends the light.

它们让可见光经过，但其圆弧的形状会让光弯曲。

Visible wavelengths of light are just a tiny fraction of all the light in the universe.

可见光的波长在所有光波中只占了很小一部分。

The layers only appear white because the air spaces in each hair scatter all visible wavelengths of light.

我们之所以看到的是白色，是因为北极熊毛发中空部分对光线的折射造成的。

Satellites are a problem at both visible and invisible wavelengths.

卫星在可见和不可见波长上都是一个问题。

It gets that name because along their 13.7 billion year journey, those first photons have been stretched and cooled by the expanding universe, drawn from visible wavelengths down to microwaves and radio waves.

它之所以得名， 是因为在它们 137 亿年的旅程中，那些第一批光子已经被膨胀的宇宙拉伸和冷却，从可见波长吸收到微波和无线电波。