marrow
noun uk/ˈmær.əʊ/ us/ˈmer.oʊ/
(TISSUE)
[ U ] (also bone marrow)髓，骨髓
soft tissue containing a lot of fat in the centre of a bone
(VEGETABLE)
[ C or U ] UK西葫芦
a long round vegetable with a thick green or yellow skin, white flesh, and a lot of seeds at its centre. Marrows are a type of squash.
Idiom
be chilled/frozen to the marrowidiom mainly UK 寒冷彻骨
to be extremely cold