N a leguminous plant, Trifolium campestre, of N temperate grasslands, with globular yellow flower heads and trifoliate leaves 平铺车轴草 (US and Canadian name hop clover)
hop p trefoil平铺车轴草
N（名词） a leguminous plant, Trifolium campestre, of N temperate grasslands, with globular yellow flower heads and trifoliate leaves 平铺车轴草 (US and Canadian name hop clover)