资料来源 : pyDict

心脏收缩

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Systole \Sys"to*le\, n. (Physiol. & Biol.)
   The contraction of the heart and arteries by which the blood
   is forced onward and the circulation kept up; also, the
   contraction of a rhythmically pulsating contractile vacuole;
   -- correlative to {diastole}. -- {Sys*tol"ic}, a.

Systole \Sys"to*le\, n. [NL., fr. Gr. ?, fr. ? to contract; sy`n
   with + ? to set, place.]
   1. (Gram.) The shortening of the long syllable.

   2. (Physiol.) The contraction of the heart and arteries by
      which the blood is forced onward and the circulation kept
      up; -- correlative to {diastole}.

资料来源 : WordNet®

systole
     n : the contraction of the chambers of the heart (especially the
         ventricles) to drive blood into the aorta and pulmonary
         artery