听一分钟英文：Sand-沙

Sand is very useful. You can do so many things with it. You can make sand castles, bury yourself in it and sink your toes in it. Perhaps the biggest use of sand is in building. Most of today’s buildings would not be there without sand. I wonder where sand came from. How did it get there? There’s so much sand in the world. I’d love to know how many grains of sand there are in the world. A lot of sand comes from deserts. Going to the desert and looking at the sand is the best thing for me. The many shapes and colours the sand makes is amazing. I once experienced¹ a sand experience. It was a sandstorm². I almost couldn’t see anything in front of me because there was so much sand blowing.

1 experienced   

adj.有经验的；经验丰富的，熟练的

参考例句：

• Experienced seamen will advise you about sailing in this weather.有经验的海员会告诉你在这种天气下的航行情况。
• Perhaps you and I had better change over;you are more experienced.也许我们的工作还是对换一下好，你比我更有经验。

2 sandstorm   

n.沙尘暴

参考例句：

• Have you watched the news about sandstorm?你看沙尘暴的新闻了吗？
• In the next few days there will be a sandstorm.未来的几天将有沙尘暴。