爆笑英语口语 第78期:你一直都用错的英文表达

 Language Points

1. Average¹ students in the US don't wear a uniform.

2. Who made the salade.

3. Did you go to college.

4. I left my hat in the house.

1 average   

n.平均数，平均水平；adj.一般的，通常的，平均的；v.取平均值，达到平均水平

参考例句：

• He spends on the average two hours a day on reading.他平均每天用两小时读书。
• The average flow of the river is 200 cubic metres per second.这条河平均流量为每秒二百立方米。