dilate contract使膨胀
Pupils Dilate瞳孔放大
dilate e扩大;张大
dilate valve膨胀阀
dilate cardiomyopathy扩张性心肌病;扩张型心肌病;心肌病
to dilate使膨胀
dilate rate膨胀率
dilate effect松弛效应
dilate vessels扩张血管
V-T/V-I（及物动词/不及物动词） When things such as blood vessels or the pupils of your eyes dilate or when something dilates them, they become wider or bigger. 使扩大; 扩大
At night, the pupils dilate to allow in more light.
晚上，瞳孔放大以便让更多的光线射入。
ADJ（形容词） dilated 扩大的
His eyes seemed slightly dilated.
他的双眼瞳孔似乎稍微扩大了些。