

遠くの空に稲妻が光るのが見えました。
稲妻が走った直後に、大きな音がしました。
稲妻が見えたら、すぐ建物の中に避難してください。
"いなずま(稲妻)" is in the lesson "Disasters" (Level 14), along with 14 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.