柯林斯词典four-leaf clover (also four-leaved clover) 1. N a clover with four leaves rather than three, supposed to bring good luck 四叶苜蓿 返回 four-leaf clover剑桥词典a clover (= a small plant ) with a leaf that is divided into four parts rather than the usual three, thought to bring good luck to anyone who finds it 四叶苜蓿，四叶草（据信能给发现者带来好运） 返回 four-leaf clover