cocoonKK [kəˈkun] ｜ /kəˈkun/
GEPT 中高級
C2noun
a protective covering made of silk spun by insect larvae or spiders to protect their pupae or eggs
The caterpillar spun a silk cocoon around itself before transforming into a butterfly.
繭；蠶繭
C2verb
to wrap or envelop in a protective covering, similar to a cocoon
She cocooned herself in a cozy blanket and settled in for a night of binge-watching.
裹住；包覆（如繭）
C2verb
to withdraw from the world or unfavorable conditions, like a caterpillar inside a cocoon
After a long and tiring day at work, I like to cocoon myself in my cozy bedroom with a good book and a cup of tea.