the act of swelling and becoming large by pressure from inside, or the result of this

Gaseous distension of the bowel causes considerable discomfort to the patient. 肠道气胀让患者感觉相当不适。

Lactose intolerance causes abdominal distension, colic, and diarrhoea. 乳糖不耐受会造成腹部膨胀、绞痛以及腹泻。