

Hast du dein Lehrbuch heute wieder vergessen?
[ˈhast ˈduː ˈdaɪ̯n ˈleːɐ̯buːx ˈhɔɪ̯tə ˈviːdɐ fɛɐ̯ˈɡɛsn̩?]
Did you forget your textbook again today?
Für den Kurs müssen wir zwei neue Lehrbücher kaufen.
[ˈfyːɐ̯ ˈdeːn ˈkʊrs ˈmʏsn̩ ˈviːɐ̯ ˈtsvaɪ̯ ˈnɔɪ̯ə ˈleːɐ̯ˌbyːçɐ ˈkaʊ̯fn̩.]
We have to buy two new textbooks for the course.
Die Übungen stehen auf Seite zwanzig im Lehrbuch.
[ˈdiː ˈyːbʊŋən ˈʃteːən ˈaʊ̯f ˈzaɪ̯tə ˈtsvantsɪç ˈɪm ˈleːɐ̯buːx.]
The exercises are on page twenty in the textbook.
"das Lehrbuch" is in the lesson "Education" (Level 35), along with 10 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.