

Cuidado, o balão pode explodir a qualquer momento!
Ontem explodiu uma garrafa de gás no prédio.
Os foguetes explodiram no céu à meia-noite.
"explodir" is in the lesson "Verbs 11" (Level 23), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.