光速

guāngsù

noun #8,285

Meanings

HSK 3

他光速完成了作业。

Tā guāngsù wánchéng le zuòyè.

He finished his homework at light speed.

HSK 4

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.

HSK 4

没有什么能超过光速。

Méiyǒu shénme néng chāoguò guāngsù.

Nothing can exceed the speed of light.

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