circulatory system

名词 n.
中文释义
英 /ˌsɜːk(j)uːlətəɹi ˈsɪstəm/|/-tɹi-/    美 /ˌsɝkjələˌtɔɹi ˈsɪstəm/

英文释义

名词 n.
  1. The parts of an animal body comprising the heart, blood vessels (arteries, veins, and capillaries), and blood, which circulate the blood around the body.
  2. The parts of a machine responsible for the circulation of some fluid.

词形变化

circulatory systems plural

词源

From circulatory + system.
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