| 单词 | systaltic | 
| 释义 | systaltic(sɪˈstæltɪk) adjective (esp of the action of the heart) of, relating to, or characterized by alternate contractions and dilations; pulsating  Word originC17: from Late Latin systalticus, from Greek sustaltikos, from sustellein to contract, from syn- + stellein to place | 
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