vein
Definition
A blood vessel that carries blood toward the heart; also, a natural deposit of mineral in a rock formation.
中文 将血液输送回心脏的血管；也指岩石中天然矿物沉积。
Example
"The doctor inserted the IV into a vein in her arm."
A blood vessel that carries blood toward the heart; also, a natural deposit of mineral in a rock formation.
中文 将血液输送回心脏的血管；也指岩石中天然矿物沉积。
"The doctor inserted the IV into a vein in her arm."