blood

中文： 血、血缘

1. A vital liquid flowing in the bodies of many types of animals that usually conveys nutrients and oxygen. In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the heart and is usually generated in bone marrow. (countable, uncountable) · Some insects are known for consuming blood.· Blood started to spurt out of his hand due to the wound.
2. A family relationship due to birth, such as that between siblings; contrasted with relationships due to marriage or adoption. See blood relative, blood relation. (countable, uncountable)
3. A person or people related to one by birth; one's biological relative or relatives. (uncountable) · She may not be my blood, but we grew up together, and as far as I'm concerned she's my sister.
4. One of the four humours in the human body. (countable, uncountable)
5. The endometrial lining as it is shed in menstruation; menstrual fluid or period blood. (countable, uncountable)
6. A blood test or blood sample. (countable, informal)
7. The sap or juice which flows in or from plants. (countable, uncountable)
8. The juice of anything, especially if red. (countable, uncountable)

复数 bloods