en_tn/act/02/18.md

Peter continues to quote the prophet Joel in his speech to the Jews that he began in Acts 1:15.

I will pour out my Spirit

God gives his Spirit generously.

prophesy

God inspires them to speak God's truth

vapor

"mist" or "fog"

pour out

This is like someone emptying out a lot of water from a pitcher or a bucket. Translate this the same way you did on the last frame.