标签：英国学生 相关文章
With these claws the hedgehog can burrow in the earth under the roots of trees, or in old walls; and in such places he often makes his home. 凭借这些锋利的工具, 刺猬能够在树根或老墙之下打洞穿行, 通常也都在这些地方安家
英国学生科学读本
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
The torn rags are then boiled in water to which lime and soda have been added. This mixture removes all grease, stains, and colouring matters. The clean white rags are next put with water into another machine, which pulls the fibres apart, tears them
英国学生科学读本
The rock called sandstone is made up of a great many grains of sand. The beating of the rain on this rock washes the grains apart, and so the hard sandstone slowly changes into loose sand. 砂岩主要由大量沙粒组成。当雨水打下来的时候
英国学生科学读本
The Birds House 鸟儿的家 Little bird, little bird, 小鸟，小鸟， Pray where is your house? 你的家在何方？ High up in a tree, Made of down and of moss, 在高高的树上，用绒毛和青苔筑窝， And of sticks laid across; 还有草
英国学生科学读本
The Raindrops Ride 小水滴的旅程 Some little drops of water 有些小水滴， Whose home was in the sea, 住在大海里， To go upon a journey 一天邀请去旅行， Once happened to agree. 碰巧都同意 A white cloud was their carriage; 赶
英国学生科学读本
The Cotton Tree 棉花树 Sing well fare the cotton-tree! 一起来祝愿棉花树 Bravely may it grow， 长大吧，发出勇气的光彩！ Bearing in its seeded pod 让种荚里藏身的棉朵， Cotton white as snow! 像雪花一般洁白！ Spi
英国学生科学读本
Another way of getting caterpillars is to look for them on the under sides of the leaves of such plants as the nettle, the rose, and the hawthorn. You must feed these caterpillars on the leaves of the plant on which you found them; and as they are ve
英国学生科学读本
When the tanned skins are taken out of the pits, they are well dried and rolled. After this has been done, we no longer call them skins, but leather. To finish the leather, it must be curried. This is done by rubbing into its pores as much oil and ta
英国学生科学读本
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
英国学生科学读本
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
英国学生科学读本
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
英国学生科学读本
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
英国学生科学读本
Snakes do not chew their food. They swallow their prey whole; and then they go into their holes and sleep fordays, or even weeks. 蛇吃东西不会嚼, 而是整个儿把猎物吞下去的。吞下去之后就回到洞里, 一睡就睡上几天, 甚至
英国学生科学读本
Lesson22 An ear of wheat 第22课 一棵麦穗 I am sure that you have all had some bread to eat today. How many of you know what bread is made of? The baker makes it of flour mixed with water, and some yeast, and a little salt. These things mixed to
英国学生科学读本
Lesson19 A reel of cotton 第19课 一卷棉线 Let us take some of the white cotton off this reel, and try to find out what the thread of cotton is made of. We can pull the white thread to pieces, and then we see that it is made of many short fibres
英国学生科学读本