

Sabes soldar ou preferes chamar um serralheiro?
O meu tio soldou o portão do quintal sozinho.
Estes tubos de cobre foram mal soldados.
"soldar" is in the lesson "Do it yourself" (Level 20), along with 9 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.