及物动词
不及物动词
1. (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.
1. become wider
e.g. His pupils were dilated
Synonym: distend
2. add details, as to an account or idea
clarify the meaning of and discourse in a learned way, usually in writing
e.g. She elaborated on the main ideas in her dissertation
Synonym: elaboratelucubrateexpatiateexpositenlargeflesh outexpandexpound