光速

guāngsù

noun #8,285

Meanings

光速大约是每秒三十万公里。

Guāngsù dàyuē shì měi miǎo sānshíwàn gōnglǐ.

The speed of light is approximately 300,000 kilometers per second.

没有什么能超过光速。

Méiyǒu shénme néng chāoguò guāngsù.

Nothing can exceed the speed of light.

他光速完成了作业。

Tā guāngsù wánchéng le zuòyè.

He finished his homework at light speed.

usage

Online slang uses 光速 as an adverb meaning 'insanely fast': 光速打脸 (got proven wrong instantly), 光速删帖 (deleted the post immediately).

光 guāng

速 sù