

Этот мальчик — мой сын.
This boy is my son.
Какой умный мальчик!
What a smart boy!
У них родился мальчик.
They had a boy.
"мальчик" is in the lesson "Family 1" (Level 1), along with 12 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.