upset stomach n. 肚子痛, 肠胃不适 例句与用法: An upset stomach. 消化不良的胃 He has an upset stomach. 他胃不舒服。 词形变化: 副词: upsettingly | 名词: upsetter | 动词过去式: upset | 动词过去分词: upset | 动词现在分词: upsetting | 动词第三人称单数: upsets |