1 [U] soft fatty substance that fills the hollow parts of human and animal bones 髓; 骨髓.
2 [U] (fig 比喻) essential part; inner meaning 精华; 精髓
*the marrow of his statement 他所说的要点.
3 (idm 习语) to the `marrow right through 彻骨; 透彻
*I felt frozen to the marrow. 我觉得寒冷刺骨.
* She was shocked to the marrow by his actions. 他的行为把她吓得目瞪口呆.
n [C, U] (also Brit `vegetable marrow, US marrow `squash)
(a) [C] vegetable of the gourd family, with white flesh and green skin 西葫芦.
(b) [U] its flesh used as food 西葫芦（用作食物）. =>illus 见插图.
[Language: Old English;Origin:
the soft fatty substance in the hollow centre of bones
= bone marrow a bone marrow transplant [U and C]BrE
a large long dark green vegetable that grows on the groundchilled/frozen/shocked etc to the marrowBrE literary
very cold, shocked etc
1. The bad habit has been engrained in his marrow. 他的坏毛病已经根深蒂固了。
2. And parents whose child has a fatal disease like cancer might be able to clone the child, creating a twin who could be a bone-marrow (骨髓) donor. 而那些孩子患有诸如癌症等不治之症的父母也能克隆一个孩子，创造出一个能提供骨髓的双胞胎。