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单词 systole
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sys•to•le  (sistə lē′, -lē),USA pronunciation n. 
  1. Physiologythe normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward. Cf. diastole. 
  2. [Class. Pros.]the shortening of a syllable regularly long.
  • Greek systolé̄ a drawing up, contraction, equivalent. to sy- sy- + stolé̄ pressure, origin, originally, garment, equipment, equivalent. to stol- (noun, nominal derivative of stéllein to send, place) + feminine noun, nominal suffix; compare diastole, systaltic
  • 1570–80

Collins Concise English Dictionary © HarperCollins Publishers::
systole /ˈsɪstəlɪ/ n
  1. contraction of the heart, during which blood is pumped into the aorta and the arteries that lead to the lungs
    Compare diastole
Etymology: 16th Century: via Late Latin from Greek sustolē, from sustellein to contract; see systaltic

systolic /sɪˈstɒlɪk/ adj
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