How the word "つる（鶴）" is translated into English
動物園でつるを見ました。
つるは首が長いですね。
冬に北海道へつるを見に行きませんか。
"つる（鶴）" is in the lesson "Big birds" (Level 13), 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.
