

ドイツの車は高いです。
姉はドイツで勉強しています。
ドイツのビールを飲みましたか。
"ドイツ" is in the lesson "Country" (Level 27), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,379 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.