1. Each of the sides of the pyramid is 755 feet long, or about as long as two city blocks.
    每一边长755英尺，大约有两个街区那样长。

2. There are over 80 pyramids in Egypt, but the Great Pyramid is the largest of all.
    在埃及，有80多座金字塔，大金字塔是其中最大的一座。

3. The Great Pyramid was built nearly five thousand years ago for a king called Khufu.
    大金字塔是在大约5000年以前，为胡夫国王建造的。

4. The Great Pyramid is over 450 feet high today, and it was once higher.
    今天我们看到的大金字塔有450多英尺高，过去还要高一些。

5. The surface of his pyramid used to shine with smooth white limestone, and its top came to a sharp point.
    以前，大金字塔表面光滑的白石灰石非常耀眼，塔的顶端很尖。

6. Another kind of challenge faced the Egyptians between 4,000 and 5,000 years ago when they decided to build the first Pyramid.
    四千到五千年之前，埃及人建造第一座金字塔时面临着另外一种挑战。

7. People are not sure why they built this pyramid, but it must have been important.
    现在人们不能肯定他们建造这一金字塔的原因，但在当时一定是很重要的。

8. It is very hard to realize just how big the Great Pyramid is.
    要弄清大金字塔到底有多大，是很困难的。

9. It took more than 100,000 slaves twenty years to build the Great Pyramid.
    10多万奴隶用了20年的时间才建成这座大金字塔。

10. It takes about twenty minutes to walk all the way round the pyramid.
    绕金字塔走一圈需要20分钟左右。