Gas dilates the balloon.气体使汽球膨胀.Exercise dilates blood vessels on the surface of the brain.运动会使大脑表层的血管扩张。The pupil of the eye dilates and contracts in response to light.作为对光线作出的反应,眼睛的瞳孔会放大或缩小....

v.（使某物）扩大，膨胀，张大( dilate的第三人称单数 )...

dilates的音标：...