1. 2 genera of erect or twining wind-pollinated herbs: genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae. 
   直立或缠绕风授粉草本植物2属；纤维属和葎草属；并不是应用到所有分类中的术语；有时纤维属被归入桑科和荨麻科中的葎草属中。
2. A twining vine(Humulus lupulus) having lobed leaves and green female flowers arranged in conelike spikes. 
   啤酒花缠绕的藤本植物（啤酒花葎草属）长有带裂片的叶子，锥形穗状花序中排列有绿色雌性花朵
3. an arthropod genus formerly called genus Ctenocephalus. 
   蚤的一个属，包括狗蚤和猫蚤。
4. extinct horse genus; formerly called genus Eohippus. 
   已灭绝的马的一个属；以前被称为始祖马属。
5. a genus of coelenterates. 
   腔肠动物科的一个属。

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