苜蓿科植物广泛用作动物饲料。The alfalfa plant is widely used as animal fodder.多数饲养家禽的农场主不得不依赖商业化生产的饲料。Most poultry farmers have to rely on commercially manufactured feeds.燕麦是营养丰富的优质马饲料。Oats provide good, nutritious food for horses....
鸟儿在枝头欢快地啾啾鸣唱.The birds chirp merrily at the top of tree.我们像孩子一样欢快地围在一起跳舞.We danced around with childish delight.她欢快地挥手告别.She waved goodbye very gaily....