

毎日、漢字を十個覚えるつもりです。
新しい言葉を覚えるのは楽しいです。
テストの前に、単語を覚える方がいいですよ。
"おぼえる(覚える)" is in the lesson "Verbs 21" (Level 44), 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.