文章列表

• 1.英国学生科学读本 第97期:人体(4)
• In the lungs the blood gets from the air-tubes the oxygen which it needs, 肺部的血液从气管中获取所需的氧气, and the air takes from the blood hurtful t...
• 2.英国学生科学读本 第97期:人体(3)
• Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有...
• 3.英国学生科学读本 第96期:人体(2)
• 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 ...
• 4.英国学生科学读本 第96期:人体(1)
• Lesson 96 The Body 第96课 人体 This Lesson is going to be about our own selvesabout our bodies. 这篇文章讲述的是我们自己人体。 Every one wants to have...
• 5.英国学生科学读本 第95期:面粉与面包(3)
• Of what use is flour? Every child knows that it is made into bread and puddings and pastry. 面粉有什么用处呢? 孩子们都知道, 面粉可以用来制作面包、布丁...
• 6.英国学生科学读本 第95期:面粉与面包(2)
• This powder has to be sifted, to separate the husks from the flour. 然后, 人们利用筛子将面粉与外皮分离。 The husks are hard and coarse, and they would...
• 7.英国学生科学读本 第95期:面粉与面包(1)
• Lesson 95 Flour And Bread 第95课 面粉与面包 Let us buy a pound of flour at the baker's. 我们去面包房买上一磅面粉。 The baker will give us the flour in...
• 8.英国学生科学读本 第94期:一副风箱(2)
• for when you shut the bellows, the valve cannot close the air-hole because of your finger, 因为, 当你关闭风箱把手时, 你的手指使得阀门无法关闭空气进出...
• 9.英国学生科学读本 第94期:一副风箱(1)
• Lesson 94 A Pair Of Bellows 第94课 一副风箱 Have you a pair of bellows at home? 你的家里是否有一副风箱呢? If you have, I hope that you will examine th...
• 10.英国学生科学读本 第93期:蝌蚪与青蛙(3)
• The tongue of the frog is most useful to the creature in catching the flies and other small insects on which it feeds. 青蛙的舌头非常有用, 就是依靠它...