Usages of refu
Tunapotembelea maktaba, kaka yangu huchukua vitabu virefu, lakini mimi huchagua vitabu vifupi.
When we visit the library, my brother takes long books, but I choose short books.
Daraja refu lipo katikati ya mji.
A long bridge is in the middle of the town.
Elon.io is an online learning platform
We have an entire course teaching Swahili grammar and vocabulary.