1143 効果: effect, result: This medicine is effective in protecting your stomach. 1573 苦しい: painful, agonizing: I have eaten too much and my stomach hurts. 1685 胃: stomach: I've had a stomach ache since yesterday. 3208 引っ込む: draw back, pull in: My stomach flattened out as a result of dieting. 3816 内科: internal medicine: I had my stomach examined in the internal medicine department. 5625 胃腸: stomach and intestines: He has a weak stomach. 6662 支える: maintain; support: Recently, my stomach feels heavy.