[with obj.]cause (something) to swell by stretching it from inside 使膨胀 air is introduced into the stomach to distend it. 将空气导入胃部使之膨胀。 [as adj. distended]a distended belly. 鼓胀的腹部。 ■[no obj.]swell out because of pressure from inside 膨胀 the abdomen distended rapidly. 腹部迅速鼓起。