Noun:

1. European twining plant whose flowers are used chiefly to flavor malt liquors; cultivated in America

commonern.平民；自费学生；有共用权的人commonadj.常见的；共同的；普通的；平常的；平凡的；粗俗的n.公地；平民；普通；公园common-lawadj.习惯法的；有关习惯法的Common place公共场所common prose散文（古文）common sight常见的情景common snipe冬沙锥common drain共漏common lathe普通车床Common zorron.食蟹胡狼Common Thyme百里香(唇形花科)common purse共有的资金

1. Hop is one of the important raw materials in beer production.
   摘要啤酒花是啤酒工业的重要原料之一。