late 14c., from Old English mearg "marrow," earlier mærh, from Proto-Germanic *mazga- (cognates: Old Norse mergr, Old Saxon marg, Old Frisian merg, Middle Dutch march, Dutch merg, Old High German marg, German Mark "marrow"), from PIE *mozgo- "marrow" (cognates: Sanskrit majjan-, Avestan mazga- "marrow," Old Church Slavonic mozgu, Lithuanian smagenes "brain"). Figurative sense of "inmost or central part" is attested from c. 1400.
实用例句
1. Our bone marrow contains fat in the form of small globules.
我们的骨髓中含有小球状的脂肪。
来自柯林斯例句
2. Ask the butcher for soup bones (marrow bones are best).
跟肉铺老板要煲汤用的骨头（最好是髓骨）。
来自柯林斯例句
3. The very thought of it chilled me to the marrow.
一想到这个我就不寒而栗。
来自柯林斯例句
4. There are 2,000 children worldwide who need a bone marrow transplant.
