单词	ectonephridium
释义	ectonephridium noun ec·​to·​nephridium ¦ek(ˌ)tō+ : a nephridium of ectodermal origin (such as that of certain mollusks) Word History Etymology New Latin, from ect- + nephridium
随便看	fast-tracks fast-twitch fast/quick buck fast/quick study fastback fastbacks fastball fastballer fastballers fastballs fastbreaks fasted fasten fasten (on) fasten on fasten onto fasten's fasten's e'en fastened fastened (on) Homeric simile homerically Homerican homering Homerist

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