苜蓿葉式立體交叉的公路兩條高速公路的立體交叉道，一條穿過另一條，有一系列入口和出口坡道，與四葉苜蓿的外形相似，車輛在兩條高速公路上均可駛入任一的兩個方向
A highway interchange at which two highways, one crossing over the other, have a series of entrance and exit ramps resembling the outline of a four-leaf clover and enabling vehicles to proceed in either direction on either highway.
梅花某些游戲紙牌上的一種黑色圖案，類似三葉形或苜蓿葉形
A black figure shaped like a trefoil or clover leaf on certain playing cards.
苜?？梢杂米髋ｏ暳?。
Clover can be grown as food for cattle.
