单词	Sycettidae
释义	Sycettidae plural noun Sy·​cet·​ti·​dae sə̇ˈsetəˌdē : a widely distributed family of calcareous sycon sponges see sycetta , sycon Word History Etymology New Latin, from Sycetta, type genus + -idae
随便看	projets projicience projicient projiciently prokaryons prokaryote prokaryotes prokaryotic proke proked prokeimena prokeimenon prokers prokes proking Prokofiev prokofievian Prokopyevsk prol prolabor prolactin prolactins prolamin prolamine prolamines

英语词典包含469781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。