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单词 semilunar valve
释义
semilunar valvesemilunar valve /ˌsɛmilunɚ ˈvælv, -maɪ/ noun [countable] science, biology one of two small parts on your heart that open and close to prevent blood flowing back into the left and right ventricles
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更新时间:2024/9/23 3:34:00