四叶草的英文怎么写

　　例句：

　　Bees were buzzing in the clover.

　　蜜蜂在三叶草丛中嗡嗡作响。

　　Herds are fattening on the early clover.

　　家畜吃早春的苜蓿而上膘。

　　Herds are fattening on the clover of early spring.

　　牧群吃早春的苜蓿而长膘。