marrow
名词 marrow:
the fatty network of connective tissue that fills the cavities of bones
同义词:bone marrow
any of various squash plants grown for their elongated fruit with smooth dark green skin and whitish flesh
同义词:marrow squash, vegetable marrow
very tender and very nutritious tissue from marrowbones
同义词:bone marrow
large elongated squash with creamy to deep green skins
同义词:vegetable marrow
the choicest or most essential or most vital part of some idea or experience
同义词:kernel, substance, core, center, essence, gist, heart, heart and soul, inwardness, meat, nub, pith, sum, nitty-gritty