

飛行機が降下し始めると、決まって耳痛に悩まされるんです。
中耳炎による耳痛は、夜間に悪化することが多いそうです。
耳痛が長引くようなら、早めに耳鼻科を受診されたほうがいいですよ。
"じつう(耳痛)" is in the lesson "Sickness" (Level 9), along with 17 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.