dilate
verb [intransitive, transitive](of a part of the body )身体部位 to become larger, wider or more open; to make a part of the body larger, wide or more open 扩大;(使)膨胀,扩张 Her eyes dilated with fear. 她吓得瞪大了眼睛。 dilated pupils/nostrils 扩大了的瞳孔;张大了的鼻孔 - dilate something
Red wine can help to dilate blood vessels. 红葡萄酒有助于扩张血管。 Horses sometimes dilate their nostrils when anxious. 马有时会在焦虑时扩张鼻孔。 The patient’s pupils were dilated. 病人的瞳孔放大了。
Oxford Collocations DictionaryDilate is used with these nouns as the subject:- blood vessel
- eye
- pupil
- …
Word Originlate Middle English: from Old French dilater, from Latin dilatare ‘spread out’, from di- ‘apart’ + latus ‘wide’.