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In a few years more the milk-teeth begin to go. 几年之后, 乳牙开始掉落。 Another set of teeth, called the permanent teeth, is growing, one under each of the milk-teeth, and pushing out the first set. 另一套牙齿从原来的位置上长出
Skating 滑冰 Over the ice so smooth and bright, 越过亮闪闪的冰面, How fast we skim along! 我们滑得飞快; This is one of the merriest sports 这世界上最开心的运动 That to hardy boys belong. 是小小男子汉的最爱, Hurr
Lesson 5 THE COW 第五课 牛 Every boy and girl knows the cow, and likes to hear about her. A young cow is called a calf, and the male of the cow is called an ox or a bull. THE PET CALF (家养的小牛) 小朋友们都知道牛, 也都喜欢听牛
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