颌腭裂

and hang it point downwards from a strip of wood placed across the top of a wide-mouthed bottle, or a pickle-glass, or a tumbler, half full of water. 然后尖头朝下悬挂在一片横放在装有半瓶水的宽口瓶、泡菜瓶或平底玻璃杯口

发表于:2018-12-18 / 阅读(34) / 评论(0) 分类 英国学生科学读本

CHAPTER 5 Little House with a Secret The Aldens went right back to their lighthouse with the new suits. They put them on at once and went out to their own little white beach. Be careful now, said Mr. Alden. You dont know this beach, and you must find

发表于:2018-12-31 / 阅读(46) / 评论(0) 分类 8 灯塔之谜 The Lighthouse Mystery

1. What month do soldiers hate? --March (三月,行军) 2. How many feet are there in a yard? --It depends on how many people stand in the yard. (码,院子) 3. Why is an empty purse always the same? --There is no change in it. (零钱,变化)

发表于:2019-01-08 / 阅读(48) / 评论(0) 分类 节日英语

The Star Dipper 星之勺 Many, many years ago, there lived a little girl who was very kind. 很多很多年以前,有一个非常善良的小女孩。 She and her mother lived in a small house near a big woods. 她和她的妈妈住在大森林附近

发表于:2019-01-16 / 阅读(48) / 评论(0) 分类 美国小学英语教材2

Lesson 77 There's Nothing Like Leather! 第77课 百货不如皮货 Every child who reads this book knows that leather is made from the skins of animals. We cannot, of course, call any piece of skin leather; it must be carefully prepared before we ca

发表于:2019-01-17 / 阅读(43) / 评论(0) 分类 英国学生科学读本

Exploding Trees In a scene from Mary Shelleys famous novel Frankenstein, one of the characters watches as a lightning bolt strikes a large oak tree. The tree is utterly destroyed in a gigantic explosion. This might be good story-telling, but could su

发表于:2019-01-22 / 阅读(33) / 评论(0) 分类 英语时差8,16