

It's warm outside today.
[ˈɪts ˈwɔrm ˌaʊtˈsaɪd təˈdeɪ.]
The sea is warm in August.
[ðə ˈsi ˈɪz ˈwɔrm ˈɪn ˈɔɡəst.]
Is the water warm enough to swim?
[ˈɪz ðə ˈwɔtər ˈwɔrm ɪˈnəf tə ˈswɪm?]
"warm" is in the lesson "Hot weather" (Level 15), along with 12 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.