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Teacher: Tell us some objects with circular surfaces.
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师：举例说出你见到的哪些物体的面是圆形的。 |
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Teacher: That's right. Now Sammy, who discovered Australia?
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老师：对了。萨默，你来回答我是谁发现了澳大利亚？ |
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Teacher: The shape of the parallelogram has changed. What about its perimeter?
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师：图形的形状变了，而周长怎样？ |
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Teacher: Very good, another noun.
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老师：非常好。谁能再举一个？ |
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Teacher: Watch the combinatorial figure carefully. What figures is it combined by? How to work out the area? Let's try to find the ways it is possible.
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师：观察这个图形，它是由什么图形组成的？可以怎样去求？有几种方法？ |
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Teacher: We can work out the area of a parallelogram if we know the base and height of it.
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师：已知平行四边形的底和高，就可以求出它的面积。 |
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Teacher: We have worked out the area of the steel plate. Use their relationship, we can work out the weight of the whole steel plate.
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师：上题已求出了钢板的面积，应用这个数量关系，我们就可以求出钢板的重量了。 |
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Teacher: We know that heat causes an object to expand and cold causes it to contract, now can anyone give me a good example?
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老师：我们知道热可以使物体膨胀，冷可以使物体紧缩，现在谁能给我举个例子？ |
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Teacher: What do you call a person who keeps on taking when people are no longer interested?
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老师：对一个人们对他不感兴趣，而他还在滔滔不绝地说的人，你叫他什么？ |
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Teacher: What do you like, Jane?
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老师：珍，你喜欢什么? |
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Teacher: What is the area of a circle?
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师：什么是圆的面积？ |
