英国学生科学读本 第82期:花园中的蜗牛(2)

Snails do not grow in the winter. They do not come out of their shells at all then, even to eat. When they feel the cold weather coming, each snail finds some quiet place, where it makes a smooth hole in the earth to live in. Then it draws its body i

英国学生科学读本 第55期:缝衣针和大头针(1)

Lesson 55 Needles and Pins 第55课 缝衣针和大头针 Let us take a needle in your hand and look at it carefully. What do you see? There is a sharp point at one end. This makes it easy to push the needle through the cloth when you are sewing. 小朋

英国学生科学读本 第55期:缝衣针和大头针(2)

But we must leave the pin, for it is the pin itself that holds the parts together. 但是必须把大头针留下，因为两块东西就是让大头针来固定的。 Pins are made of many sizes, and are either black or white in colour. They are pre

英国学生科学读本 第60期:卷心菜(1)

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

英国学生科学读本 第63期:有用的椰子(1)

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

英国学生科学读本 第36期:浑身是宝的绵羊(2)

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

英国学生科学读本 第37期:关于便士(1)

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

英国学生科学读本 第43期:一块粘土(1)

Lesson 43 A Lump Of Clay 第43课 一块粘土 Do you know where clay comes from? If you take a long walk near the town in which you live, you will very likely find some deep hole or pit in the ground from which men are digging out the stuff we call

英国学生科学读本 第40期:甘蔗(2)

These stems are filled with soft pith, which containsa sweet juice when the sugar-cane is fully grown and ripe. The plant has long, straight and narrow leaves, and at the top there grows a tassel of rose-coloured flowersabout two feet in length. 甘蔗

英国学生科学读本 第46期: 一杯咖啡(1)

Lesson 46 A Cup Of Coffee 第46课 一杯咖啡 If you ask a grocer for some coffee, he will give you a dark-brown powder which has a strong, pleasant smell. 你去杂货商那儿买咖啡, 他会给你一种深棕色的粉末, 散发着强烈的香味

英国学生科学读本 第45期:一种叫鳎的比目鱼(1)

Lesson 45 The Flat Fish Called The Sole 第45课 一种叫鳎的比目鱼 Does your mother ever give you fish for dinner? If so, I dare say that you have eaten the fish called the sole. From the shape of its body it is called a flat fish. 小朋友, 妈

英国学生科学读本 第45期: 一种叫鳎的比目鱼(2)

There are also two pairs of fins lying just behind its head, a large pair and a small pair, near the ends of the slits, where the gills or lungs of the fish are placed. 在脑袋后面还有两对鳍, 一对比较大, 一对比较小, 就在鱼鳃开口

英国学生科学读本 第47期:人类的朋友(1)

Lesson 47 Our Friend The Dog 第47课 狗人类的朋友 Cats usually like the house in which they live better than they like the people who live in it. They will leave a kind mistress and go back to their old homes. But if we are kind to our dogs, t

英国学生科学读本 第47期: 人类的朋友(2)

The dog has bright and knowing eyes, but he cannot see at night so well as the cat can. The pupil, or little black space in the middle of each eye, is never so large as that of the cat. Pussy chases the mice by night, but the dog hunts only in the da

英国学生科学读本 第48期:关于狗的其他事情(1)

Lesson 48 More About The Dog 第48课 关于狗的其他事情 The different kinds of dogs are so unlike each other, that it is hard to believe that they all come from the same family. What a difference there is in their coats! Dogs like the greyhoun

英国学生科学读本 第48期:关于狗的其他事情(2)

Spaniels are rather small dogs, with curly hair and long ears. The mastiff is a big dog with a smooth coat. He is the best kind of dog for watching the house and frightening away robbers. 西班牙猎犬也叫狗，个头很小，卷毛，长长的耳朵

英国学生科学读本 第54期:硬壳螃蟹(1)

Lesson 54 The Crusty Crab 第54课 硬壳螃蟹 Crabs are good to eat. The next time you have one for your supper, I should like you to look at it very carefully, and try to learn what kind of an animal it is. 螃蟹也是美味的食物。小朋友，

英国学生科学读本 第52期:苹果和苹果树(2)

Let us cut an apple across so as to divide it into halves. Now we can see the five parts of the seed-vessel in the middle of the fruit, and we notice that each of these parts contains at least one black seed. These seeds are held in a tough skin, whi

英国学生科学读本 第53期:牡蛎(1)

Lesson 53 The Oyster 第53课 牡蛎 The oyster is called a shell-fish; but it is not a real fish, like the sole or the herring. All true fishes have a backbone, and they swim about in the sea by the help of their tail and their fins. 牡蛎是一种贝

英国学生科学读本 第53期:牡蛎(2)

The oyster has a little mouth, a stomach, and other organs. It breathes like a fish by sucking air out of the sea-water with its gills; and it also gets its food out of the sea-water. 牡蛎有一张小口, 一个胃, 还有其他的器官。牡蛎的呼