

The fridge is empty again.
[ðə ˈfrɪdʒ ˈɪz ˈɛmpti əˈɡɛn.]
Excuse me, is this seat empty?
[ɪkˈskjuz ˈmi, ˈɪz ˈðɪs ˈsit ˈɛmpti?]
Please don't leave empty bottles here.
[ˈpliz ˈdoʊnt ˈliv ˈɛmpti ˈbɑtl̩z ˈhɪr.]
"empty" is in the lesson "Properties" (Level 26), along with 9 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.