名詞 diastole:

1. the widening of the chambers of the heart between two contractions when the chambers fill with blood

di.as.to.le

n.（名詞）
Physiology The normal rhythmically occurring relaxation and dilatation of the heart chambers, especially the ventricles, during which they fill with blood.
【生理學(xué)】 心舒張期：心臟的各腔（尤其是心室）正常有節(jié)律的發(fā)生膨脹和擴(kuò)張，在此期間為血液所充滿
The lengthening of a normally short syllable in Greek and Latin verse.
（詩(shī)的）音節(jié)拉長(zhǎng)：希臘文和拉丁文詩(shī)句中通常短音節(jié)的延長(zhǎng)

來(lái)源：
Greek diastolô [dilation, separation]
希臘語(yǔ) diastolô [擴(kuò)張，分開(kāi)]
from diastellein [to expand]
源自 diastellein [擴(kuò)展]
dia- [apart] * see dia-
dia- [分開(kāi)] *參見(jiàn) dia-
stellein [to place, send] * see stel-
stellein [安放，發(fā)送] *參見(jiàn) stel-

【引伸】
di.astol.ic