单词	Heliornis
释义	Heliornis noun He·​li·​or·​nis -ˈȯrnə̇s : the type genus of Heliornithidae including a single tropical American sun-grebe (H. fulica) Word History Etymology New Latin, from heli- + -ornis
随便看	tricyclo- trid tridacna tridacnae tridacnas Tridacnidae tridacnidaes tridactyl tridactyle tridactylous tridaily triddler tride tridecane tridecanoic acid tridecene tridecyl tridecylene trident trident bat tridental tridentate tridenter tridentest Tridentine

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