V-ERG
（使）膨胀;（使）肿胀;（使）变大
If a part of your body is distended, or if it distends, it becomes swollen and unnaturally large.
例句
Through this incision, the abdominal cavity is distended with carbon dioxide gas...
二氧化碳气体通过这个切口进入，造成腹腔肿胀。
The colon, or large intestine, distends and fills with gas.
结肠，或大肠，因充满气体而膨胀。