| 单词 | trochosphere | 
| 释义 | > as lemmastrochosphere   trochosphere  n.  Brit.  , U.S.   a larval form constituting a stage in the development of most molluscs and of certain worms, esp. marine annelids, characterized by a spheroidal body with a ring of cilia; also attributive.ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Trochozoa > 			[noun]		 > member of trochosphere1883 trochozoon1890 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Trochozoa > 			[adjective]		 > relating to or having form of a trochosphere trochosphere1883 trochospheric1899 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > 			[noun]		 > mollusc or shell-fish > larva veliger1877 trochosphere1883 1883    E. R. Lankester in  Encycl. Brit. XVI. 648/1  				[In the Limpet the] Diblastula..acquires a ciliated band, and becomes a nearly spherical Trochosphere. 1888    G. Rolleston  & W. H. Jackson Forms Animal Life 		(ed. 2)	 454  				The Mollusca with the exception of Cephalopoda pass through a typical larval development, in two stages—a Trochosphere and a Veliger stage. < as lemmas  | 
	
| 随便看 | 
	
  | 
	
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。