单词 placentoid 释义 placentoid, a.|plsntd|[f. as placentitis + -oid.]Resembling a placenta; placentiform.1890in Cent. Dict.1895in Syd. Soc. Lex.{var l=document.getElementsByTagName("link");var r=/OED4.css$/;for(var i=l.length-1;i>=0;i--)with(l[i].href){...