

O gato lançou-se sobre o rato num segundo.
O guarda-redes lançou-se para defender o penálti.
Cuidado, o cão pode lançar-se sobre as crianças.
"lançar-se" is in the lesson "Verbs 17" (Level 29), along with 10 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.