| 单词 | Semaeostomeae | 
| 释义 | Semaeostomeae [sǝ´mē·ǝ`stō·mē´ē]  INVERTEBRATE ZOOLOGY An order of the class Scyphozoa including most of the common medusae, characterized by a flat, domelike umbrella whose margin is divided into many lappets.  | 
	
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