

壁に家族の写真をかけました。
このアパートは壁が薄くて、隣の声が聞こえます。
壁の色は何色にしますか。
"かべ(壁)" is in the lesson "House" (Level 28), 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.