Fireflies use their light for attracting mates.

萤火虫用它们的光来吸引配偶。

youdao

They affected to ignore her as of an inferior social status to themselves, and she despised their light talk.

他们假装对她不理不睬，认为她的社会地位不如他们，而她又瞧不起他们的轻薄言语。

youdao

They received a shot of genes near their retinal cells to repair their light receptors.

他们接受了视网膜细胞附近的基因注射，以帮助修补他们的光受体。

youdao

People who aren't connected to the electric grid often get their light from candles or burning wood.

VOA: standard.2009.12.13

This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.

VOA: special.2010.01.05

Their appearance changes endlessly with the light,the time of year, and the weather.

VOA: special.2009.10.07

The farther away they are, the faster they are moving, and the more their light is redshifted.

ECONOMIST: Astronomy

The flowers bloom in dramatic fashion, their light pink colour spreading across previously barren treetops to welcome spring.

BBC: Cherry blossom festivals amid tragedy

The latter is done by measuring the so-called redshift of their light.

ECONOMIST: Astronomy