n.三叶草；苜蓿
My heart was wrapped up in clover. 我的心用三叶覆盖草着。
Clover with four leaves bring the feliclty. 四叶的三叶草是幸福！
Clover can be grown as food for cattle. 苜蓿可以用作牛饲料。
n.四叶苜蓿形的立体道路交叉点
adj.形状似苜蓿叶的
