distend

动词 distend:

1. become wider
   同义词：dilate
2. cause to expand as it by internal pressure
3. swell from or as if from internal pressure

1. Swollen or distended beyond normal size by fluid or gaseous material.
   肿胀的液体或气体材料超过正常尺寸的肿胀或膨胀
2. Having eyes with greatly distended pupils.
   眼珠暴突的具有带有膨大的瞳孔的眼睛的

dis.tend

v.（动词）
dis.tend.ed,dis.tend.ing,dis.tends
v.intr.（不及物动词）
To swell out or expand from or as if from internal pressure.
膨胀，肿胀：由或好象由内部压力而膨胀或扩张的
v.tr.（及物动词）
To cause to expand by or as if by internal pressure; dilate.
使膨胀，使肿胀：由内部压力或好象由内部压力而引起膨胀；使肿胀
To extend.
使扩展，扩大，展开

来源：
Middle English distenden
中古英语 distenden
from Latin distendere
源自 拉丁语 distendere
dis- [dis-]
dis- [表示.不，分离.之意]
tendere [to stretch] * see ten-
tendere [舒展，展开，拉紧，撑大] *参见 ten-