How the word "sour" is translated into English
This lemon tastes really sour, doesn't it?
[ˈðɪs ˈlɛmən ˈteɪsts ˈriəli ˈsaʊər, ˈdəzn̩t ˈɪt?]
These green apples are sourer than the red ones.
[ˈðiz ˈɡrin ˈæpəlz ˈɑr ˈsaʊərər ˈðæn ðə ˈrɛd ˈwənz.]
The milk has gone sour, so don't drink it.
[ðə ˈmɪlk həz ˈɡɔn ˈsaʊər, ˈsoʊ ˈdoʊnt ˈdrɪŋk ˈɪt.]
"sour" is in the lesson "Seasoning" (Level 12), along with 16 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.