資料來源 : pyDict

交替收縮和膨脹動作的,心臟收縮的

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Systaltic \Sys*tal"tic\, a. [L. systalticus drawing together,
   Gr. ?, from ? to draw together. Cf. {Sustaltic}, {Systole}.]
   (Physiol.)
   Capable of, or taking place by, alternate contraction and
   dilatation; as, the systaltic action of the heart.