英国学生科学读本 第90期:结实的橡树(2)

If we take the acorn out of its cup and soak it in warm water for a few hours, it will split open, 如果我们把橡子从中取出, 放入温水浸泡, 几个小时之后它就会裂开。 and we shall see that it consists of two thick seed-leaves,

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, 就是依靠它来捕食苍蝇与其他小型昆虫。 It is joined to the lower jaw in front, and not

英国学生科学读本 第7期:金鱼

Lesson 7 THE GOLD-FISH 第七课 金鱼 Have you ever seen very pretty little fishes, of a bright yellow or golden colour, swimming in a glass bowl of water? Look in the shop-windows, and perhaps you will see some. 小朋友, 你见过浅黄色或者金

英国学生科学读本 第2期:金丝雀

The Canary Bird 第二课 金丝雀 Are you fond of birds? Perhaps you have one at home. It is very cruel to keep such birds as sparrows or swallows in cages, because these birds like better to fly about in the open air. 小朋友，你喜欢鸟儿吗？

英国学生科学读本 第79期:扎人的刺猬(1)

Lesson 79 The Prickly Hedgehog 第79课 扎人的刺猬 The hedgehog is a common animal in every part of Great Britain where he can find suitable food and lodgings . We can easily see how he has got his name. He is often found at the bottom of our he

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73期:玻璃窗(1)

Lesson 73 A Pane Of Glass 第73课 玻璃窗 If you had lived in Britain a thousand years ago, you might have seen panes of glass in the churches, but you would have found very few glass windows in the houses of the people. The windows in those days

英国学生科学读本 第66期:鸡蛋与小鸡(2)

The shell is made of lime, and is very brittle. If you do not often give your hens some pieces of chalk or of lime to peck, they will very likely sometimes lay eggs without any shell at all. 蛋壳是石灰质的, 非常脆。如果你喂养的母鸡无

英国学生科学读本 第66期:鸡蛋与小鸡(1)

Lesson 66 Eggs And Chicks 第66课 鸡蛋与小鸡 All birds lay eggs. But just as birds differ very much in size, so do their eggs. The eggs of the little humming-bird are no bigger than peas, while each egg laid by the ostrich is as big as twenty-f

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14期:一杯茶

Lesson 14 A CUP OF TEA 第十四课 一杯茶 After you have had your tea tonight, ask your mother to let you turn out the tea-leaves from the tea-pot into a basin of water. Spread these leaves out, and wash them in some fresh water. 小朋友, 今天晚

英国学生科学读本 第27期:虾(2)

Underneath the body there are five pairs of limbsone pair joined to each ring of the bodyand these areits legs or walking limbs. 虾的身体下面还有5对足, 每个体节上长着一对；这些足就相当于虾的腿, 也叫步足。 It is very

英国学生科学读本 第28期:一块盐(2)

Sea-water is salty, and people who live near the sea can get salt by filling shallow ponds with sea-water in summer, when the sun is strong. 海水里面是有盐的。夏天日照很强烈的时候, 住在海边的人, 只要把浅浅的池子灌满海

英国学生科学读本 第23期:滨螺

Lesson 23 The Periwinkle 第23课 滨螺 A boy with a basket is walking down the street. 街上有个孩子挎着篮子走过来, He is shouting out, Winks, winks, periwinks! 一边走一边吆喝：滨螺！滨螺！卖滨螺啦！ Let us buy a few

英国学生科学读本 第17期:兔子

Lesson17 THE RABBIT 第17课 兔子 I know a boy who has some tame rabbits. He keeps them in the yard behind his house, in a box called a rabbit-hutch. His rabbits are black and white, but wild rabbits are grey or brown. 我认识一个男孩子, 他家

英国学生科学读本 第18期:滑冰

Lesson18 Sliding on the ice 第18课 滑冰 One fine summer day, as Tom stood by the side of a pond full of water, his father said to him, Tom, on the day when you can run across this pond, on the top of the water, I shall give you a penny. 一个晴朗