How the word "air" is translated into English
The air is so fresh here.
[ðə ˈɛr ˈɪz ˈsoʊ ˈfrɛʃ ˈhɪr.]
Let's go outside for some fresh air.
[ˈlɛts ˈɡoʊ ˌaʊtˈsaɪd fər ˈsəm ˈfrɛʃ ˈɛr.]
The mountain air is very clean.
[ðə ˈmaʊntn̩ ˈɛr ˈɪz ˈvɛri ˈklin.]
"air" is in the lesson "Nature" (Level 38), along with 11 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.