bonnet
noun [ C ] uk/ˈbɒn.ɪt/ us/ˈbɑː.nɪt/
(HAT)
（有带子并盖住耳朵的）童帽;（尤指旧时的）女帽
a type of hat that covers the ears and is tied under the chin, worn by babies or, especially in the past, by women
(METAL COVER)
UK (US hood)（汽车）引擎罩
the metal cover over the part of a car where the engine is
I looked under the bonnet and clouds of smoke poured out. 我看了一下引擎罩下面，团团的烟冒了出来。