Similarly, if it is dusty or there are a lot of other larger particles in the air, this will filter out larger wavelengths, resulting in a red sky and red sun.

同样，如果空气中尘埃比较多，或是空气中有很多其它大颗粒，那么那些较长的光波就会被过滤掉，于是天空就会是红色，太阳也会是红色。

youdao

Scribbled on the wall despite the red paint and mottled between constantly falling chip can still see the layers of sun-dried brick, adobe peeled off, write a red brick.

墙体尽管涂上了红色涂料，斑驳之处仍可见不断掉渣的层层土坯，土坯脱落处填上了红砖。

youdao

Scribbled on the wall despite the red paint and mottled between constantly falling chip can still see the layers of sun-dried brick, adobe peeled off, write a red brick.

墙体尽管涂上了红色涂料，斑驳之处仍可见不断掉渣的层层土坯，土坯脱落处填上了红砖。

youdao