

Chicken and eggs are full of protein.
[ˈtʃɪkn̩ ənd ˈɛɡz ər ˈfʊl əv ˈproʊˌtin.]
Are you getting enough protein in your diet?
[ər jə ˈɡɛtɪŋ ɪˈnəf ˈproʊˌtin ˈɪn jər ˈdaɪət?]
Fish is a great source of protein.
[ˈfɪʃ ˈɪz ə ˈɡreɪt ˈsɔrs əv ˈproʊˌtin.]
"protein" is in the lesson "Non-vegetarian food" (Level 8), along with 18 other useful words. LinDuo has 180 topic lessons like this one, 2,375 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.