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Copper can be rolled or hammered out into thin sheets, and so we say that it is malleable. It can also be easily drawn out into wire, and for this reason we call it ductile. Sheet copper is much used for covering the bottoms of ships, and for making...

Lesson 64 The Red Metal Called Copper 第64课 红色金属铜 There is only one metal which is red in colour. Its name is copper. On the shores of Lake Superior in North America, lumps of pure copper are found in the rocks; but in Cornwall , and in...

This soft black mark is the place through which the young palm-tree would force its way out, if the cocoanut were planted in the soil of its native land. 如果种植在原生地的土壤之中，年幼的椰子树就会通过这个柔软的黑色斑点...

Lesson 63 The Useful Cocoa-nut 第63课 有用的椰子 Cocoa-nuts grow in clusters at the top of a palm-tree which is found in most hot countries. This palm has a slender brown stem, sometimes from sixty to ninety feet high, without branches, but be...

There is a clear space in the jaws between the front and the back teeth, and into this space we put the steel bit to which the reins are fastened when we drive or ride the donkey. 在驴子前后牙齿之间的腭部有一片空白区域，我们将铁...

Lesson 62 The Patient Donkey 第62课 吃苦耐劳的驴子 Have you ever heard a donkey bray? What a noise he makes! Even if you have not heard one, I am sure that you have all seen a donkey, and perhaps some of you have ridden one at the seaside on...

If you cut this seed-vessel across with a pen-knife, you will find inside it some tiny young green seeds. 用一把小刀将这个种皮切开，就能看到里面尚未成熟的绿色小种。 Within the flower of the snow-drop you can see some gree...

Lesson 61 The Snow-drop 第61课 雪花莲 When the new year comes, the snow-drop is the first of all the flowers to put forth its lovely white blossoms. We call it the snow-drop, not only because its flowers are white as snow, but also because they...

Instead of cutting all our cabbage plants, we shall leave a few in the ground until the end of the summer. Soon the heart of each plant will open, and long stems will grow up from its centre. Small yellow flowers then appear on these stems. Each flow...

Lesson 60 The Cabbage 第60课 卷心菜 In some sandy places near the sea the cabbage plant grows wild. We should not care to eat wild cabbages; but by growing these plants in good ground, and sowing their seeds year after year, we should get after...