

砂漠でラクダに乗りました。
ラクダを見たことがありますか。
この動物園にはラクダがいません。
"ラクダ" is in the lesson "Exotic animals" (Level 12), 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.