How the word "heart" is translated into English
My heart is beating very fast.
[ˈmaɪ ˈhɑrt ˈɪz ˈbitɪŋ ˈvɛri ˈfæst.]
Does your grandfather have a bad heart?
[dəz jər ˈɡrændˌfɑðər həv ə ˈbæd ˈhɑrt?]
Running is good for your heart.
[ˈrənɪŋ ˈɪz ˈɡʊd fər jɔr ˈhɑrt.]
"heart" is in the lesson "Body" (Level 27), along with 8 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.