distend

/dɪˈstend/ 164GREsat
If a part of your body is distended, or if it distends, it becomes swollen and unnaturally large. 肿胀

verb [vt. 及物动词]vt. 使……膨胀;使……扩张

Through this incision, the abdominal cavity is distended with carbon dioxide gas.
通过此切口,二氧化碳气体把胸腔充得肿胀起来。

verb [vi. 不及物动词]vi. 扩张;膨胀

Your aches, distend pains are normal during treatment.
你的疼痛, 扩大肛痛在治疗期间是常态。

dis- 加在名词、形容词,动词之前,表示"不是的,消失掉"、"分开,分离"。distend 膨胀(dis+tend 拉→分开拉→膨胀)
dis (分开) + tend (拉) → 向四面拉 → 扩大; 膨胀
单词造句:
网友用“Distend”造句精选
...an infant with a distended belly. ...一个肚子肿胀的婴儿。
The colon, or large intestine, distends and fills with gas. 结肠,也叫大肠,内部填满气体膨胀起来。
Expose surface and screw head should be wiped antirust oil in the distend cover after finishing. 完成后在胀套外露表面及螺钉头部涂上防锈油脂。
Conclusion: Nifedipine could distend ophthalmic artery and has similar function on other micro-cerebral vessels. 结论:硝苯地平可扩张眼动脉,对脑部其它小动脉可能有相似作用。