4 Inventions

Alphabet We learn our ABCs when we are very young. We use the alphabet to write our name, read a story, and type on a computer. Each letter stands for a certain sound. Our alphabet developed over thousands of years. Before the alphabet, ancient Egyptians wrote with picture symbols called hieroglyphics Books help people find information to use and stories to enjoy. It's a fact! A pangram is a sentence made up to include all the letters of the English alphabet. One example of a pangram is "The quick brown fox jumps over the lazy dog."

我们很小的时候就学习abc。 我们用字母表来写自己的名字，读故事，在电脑上打字。 每个字母代表一个特定的音。 我们的字母表发展了数千年。 在字母表出现之前，古埃及人用被称为象形文字的图像符号来书写。书籍帮助人们找到可以使用的信息和可以欣赏的故事。 这是事实!pangram是一个包含英语字母表中所有字母的句子。 pangram的一个例子是“敏捷的棕色狐狸跳过了懒惰的狗。”

There are 26 letters in the English alphabet. We use the alphabet to read and write.

英语字母表中有26个字母。 我们用字母表来读和写。

Glass Glass is one of the most useful materials in the world. It can be finer than a spider web or stronger than steel. There are many things made of glass that are around us every day. Glass is made by melting sand and other materials together. Glass may be blown into a bulb shape, squeezed, and stretched. Look through the glass window to see outside. Eyeglasses help people to see better. You can see the numbers through the glass face of a wristwatch.

玻璃是世界上最有用的材料之一。 它可以比蜘蛛网更细，也可以比钢铁更坚固。 我们身边每天都有很多玻璃制品。 玻璃是由沙子和其他材料熔在一起制成的。 玻璃可以吹成灯泡形状，挤压和拉伸。 透过玻璃窗往外看。 眼镜帮助人们看得更清楚。 你可以通过手表的玻璃表面看到数字。

A drinking glass holds a beverage like water or juice. It's a fact! People probably first made glass around 3000 B.C. in Egypt or Mesopotamia

饮水杯装的是水或果汁之类的饮料。 这是事实!人们最早制造玻璃可能是在公元前3000年左右 在埃及和美索不达米亚