vi. 在灯下用功, 深入研究, 专心著作

[ verb ]
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
<verb.communication> dilate elaborate enlarge expand expatiate exposit expound flesh out
She elaborated on the main ideas in her dissertation

Lucubrate \Lu"cu*brate\, v. i. [imp. & p. p. {Lucubrated}; p.
pr. & vb. n. {Lucubrated}.] [L. lucubratus, p. p. of
lucubrare to work by lamplight, fr. lux light. See {Light},
n.]
To study by candlelight or a lamp; to study by night.


Lucubrate \Lu"cu*brate\, v. t.
To elaborate, perfect, or compose, by night study or by
laborious endeavor.