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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。