

今日の保健の授業で、睡眠について学びました。
雨の日は体育の代わりに保健の授業をします。
保健のテストはそんなに難しくなかったです。
"ほけん(保健)" is in the lesson "Education" (Level 14), 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.