

暗闇の中で、星がきれいに光っていました。
キャンプ場の暗闇で、懐中電灯をなくしてしまった。
森の暗闇の中を一人で歩くのは怖くないですか。
"くらやみ(暗闇)" is in the lesson "Nature" (Level 38), 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.