| 单词 | proptosis | 
| 释义 | prop·to·sis   (prŏp-tōsĭs) n. pl.   prop·to·ses (-sēz)   Forward displacement of an organ, especially an eyeball. [Late Latin proptōsis, prolapse, from Greek, from propiptein, to fall forward : pro-, forward; see  PRO-2 + piptein, ptō-, to fall; see  pet- in the Appendix of Indo-European roots.] | 
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