marrow

• 指骨头内部的柔软脂肪组织（骨髓）；也比喻事物最核心、最本质的部分；还指一种长形的南瓜（西葫芦）。

A noun referring to the soft, fatty tissue inside bones, or the most essential part of something, or a type of elongated squash.

1. Bone marrowB1formalmedical

   The soft, fatty tissue found inside bones that produces blood cells and stores essential nutrients.

   骨髓

   • The doctor took a sample of bone marrow to test for the disease.
   • Bone marrow transplants can save lives.
   • She donated her bone marrow to a patient in need.

   同义词bone marrowmedulla

2. Vegetable marrowA2formalbritishculinary

   A type of squash with an elongated shape, smooth dark green skin, and pale flesh, commonly eaten as a vegetable.

   西葫芦

   • He stuffed the marrow with mushrooms and rice.
   • Marrow can be roasted or boiled for a mild flavor.
   • The garden produced several large marrows this year.

3. Essential partC1formal

   The most vital or central part of an idea, experience, or topic.

   精髓

   • The marrow of the debate was the budget deficit.
   • To understand the theory, you must grasp its marrow.
   • The marrow of his speech emphasized compassion.

   同义词coreessencegistheartkernelnubpithsubstance