the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery 大動脈と肺動脈に血液を送り込むために心臓の室(特に心室)を収縮させること。
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【上位】 the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart" 心臓の1拍ごとの動脈のリズミカルな収縮・膨張。
日/英 »