宇宙速度

escape velocity

room / universe

universe / cosmos

eternity / (geology) eon

fast / rapid / quick / velocity

speed / rate / velocity / (music) tempo / CL:個|个[ge4]

to pass / to spend (time) / measure / limit / extent / degree of intensity / degree (angles, temperature etc) / kilowatt-hour / classifier for events and occurrences

to estimate / Taiwan pr. [duo4]