dis·ten·sion
noun/dɪˈstenʃn/
/dɪˈstenʃn/
[uncountable] (formal or medical)- the fact of swelling (= becoming larger or rounder than normal) because of pressure from inside
膨胀：由于内部压力而肿胀（变得比正常人更大或更圆） - distension of the stomach
胃胀
- distension of the stomach