Word forms: 3rd person singular present tense dilates, present participle dilating, past tense, past participle dilated
V-ERG (使)(血管)扩张;(使)(瞳孔)放大 When things such as blood vessels or the pupils of your eyes dilate or when something dilates them, they become wider or bigger. (使)(血管)扩张;(使)(瞳孔)放大
At night, the pupils dilate to allow in more light. [VERB]
到了晚上,瞳孔就会扩大以接收更多光线。
Exercise dilates blood vessels on the surface of the brain. [VERB noun]