Word · Frequency #19079
dilating
扩大；扩张
dilating is the present participle of dilate.
核心释义
可作及物或不及物动词
To make or become larger or wider.
- 1.
扩大；使变大
To enlarge; to make bigger.
- 2.
变宽或变大；扩展
To become wider or larger; to expand.
- 3.
详述；详细叙述；展开；与“on”或“upon”连用
To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".
- 4.
使用扩张器扩张(如阴道)
To use a dilator to widen (something, such as a vagina).
（用扩张器）扩张；详述；铺陈；扩大；使变大；变宽或变大；扩展；详述；详细叙述；展开；与“on”或“upon”连用
用法In use
Her pupils dilated in the dim light.
用法提示：动词dilate表示（瞳孔）放大，此处为不及物用法。
The medicine helps to dilate the blood vessels.
用法提示：dilate作及物动词，意为“使扩张”。
In his dream, time seemed to dilate, stretching every moment.
用法提示：dilate比喻时间变慢，为不及物用法。
Verb forms
base dilate · third person dilates · -ing dilating · past dilated · past participle dilated
规则动词
相关词与表达Connections
搭配Collocations
- dilate pupils
- 使瞳孔扩大
- The eye drops are used to dilate pupils during an eye exam.这种滴眼液用于在眼科检查时放大瞳孔。
- dilate blood vessels
- 扩张血管
- Regular exercise helps dilate blood vessels and improve circulation.定期运动有助于扩张血管，改善血液循环。
- dilate the cervix
- 扩张宫颈
- The doctor may use medication to dilate the cervix before the procedure.医生可能在手术前使用药物扩张宫颈。
- dilate on
- 详述；展开讲
- She dilated on the details of her travels for over an hour.她花了一个多小时详述她旅行的细节。
- dilate with fear
学习提示Learner notes
记忆技巧Memory Tip
联想 dilate 里的 late：一迟到就紧张，瞳孔就会放大、扩张。
语境与语域Context & Register
语域：mixed 常见场景：医学/生理描述、正式书面语（dilate on/upon） 该词语域随搭配和场景变化：表示“变宽、变大”时多用于医学或科学等客观描述，语气比较正式；与 on/upon 连用表示“详述”时通常只见于正式书面语。日常口语中较少使用，更口语化的说法是 get bigger/wider。
发音与拼写Pronunciation & Spelling
与 dilate 押韵（/eɪt/）：late、rate、date、translate。注意：private 和 climate 虽也以 -ate 结尾，但分别读作 /ˈpraɪvɪt/ 和 /ˈklaɪmɪt/，发音不同，不能与 dilate 押韵。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.