Lesson 40 The Sugar-Cane 第40课 甘蔗 Have you a sweet tooth? Do you like things with sugar in them? If you do (and I am almost sure that you do),you will like this lesson, for it will tell you where sugar comes from, and all about it. 小朋友,你...
When the sheets are very thin, they are called lead-foil. A great deal of lead-foil is used in China, to line the chests in which tea is sent to Europe. 特别薄的薄片儿就叫做铅箔, 中国就是用大量的铅箔来垫在茶叶箱里, 做成铅...
Lesson 39 A Soft And Flexible MetalLead 第39课 柔韧的软金属铅 In Wales, in Derbyshire, and in the north of England, hills made of limestone are very common. In the cracks of this limestone we often find a beautiful silvery mineral called gal...
The horse has small pointed ears, which it can raise or prick up and turn round when it wants to listen. Itseyes are large, and are placed so that it can see both in front and sideways without turning its head. 马的耳朵又小又尖, 可以竖起来...
Lesson 38 Our Helper, The Horse 第38课 人类的帮手马 The horse is an animal which seems to have been made for helping us in our daily work. we ride on its back, and we get it to pull heavy loads in carts. 马这种动物, 似乎生来就是为人...
This is done by placing the blank in a steel case, or die, on which are carved all the marks that you see on one side of a penny. 这就要把坯饼放进一个钢制模具里面, 在模具上, 刻上了硬币一边的所有图案。 On another s...
Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo...
In the front of its lower jaw there are eight sharp teeth for nipping. There are no teeth in its upper jaw opposite these, but there is a hard pad instead. At the back of its mouth the sheep has six teeth with flat tops on each side of each jaw. Thes...
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th...
Lesson 35 Getting up Steam 第35课 蒸汽往上冒! Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau...