irritable bowel syndrome
noun🔊/ˌɪrɪtəbl ˈbaʊəl sɪndrəʊm/
🔊/ˌɪrɪtəbl ˈbaʊəl sɪndrəʊm/
[uncountable] (abbreviation IBS)
a condition of the bowels that causes pain and diarrhoea or constipation, often caused by stress or worry 肠易激综合征（常由紧张或焦虑引起，表现为腹痛、腹泻或便秘）