Try to find a spider's web on a bush or on the grass in your garden, and look very closely at it. The spider makes the outside lines of the web first. Then it forms the lines which extend like the spokes of a wheel from the centre of the net to the e...
Lesson 72 The Clever Spider 第72课 聪明的蜘蛛 You may have seen men setting nets in the sea, or in a river, to catch fish. Let me tell you about the little animals that are always setting nets in your house and in your garden in much the same...
In fact, all these four plants belong to the same class. 实际上, 这四种植物同属一个种类。 If we visit the orchard again in June, we shall find that all the white flowers have fallen off the cherry-trees, and that the seed-vessel of eac...
Lesson 71 The Cherry-tree And Its Fruit 第71课 樱桃树及其果实 The cherry-tree is a small tree which grows to a height of about twenty feet. Its stem is covered with a smooth brown bark, and its green leaves have saw-like edges, somewhat like...
The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指...