hop clover
hop-clover的词性:n.(名词)
1. A Eurasian clover (Trifolium agrarium) or one of its relatives, having small yellow flower heads that resemble hops when withered. 黄花苜蓿:产于欧亚的苜蓿属植物(忽布三叶草 车轴草属) 或其亲缘植物,有小的黄色头状花序,枯萎时象啤酒花