

秋になると、はが赤くなります。
木からはが一枚落ちました。
この花のは、少し黄色くないですか。
"は(葉)" is in the lesson "Plants" (Level 29), along with 11 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.