On the way, a young man waved to me.

途中，一个青年人向我招手。

My aunt Jennifer is an actress.

我的姑姑詹妮弗是位演员，

They will also be building new roads and a special railway line.

他们还将修筑一些新的道路和一条铁路专线。

'You needn't have said that,' my wife answered.

“你没必要这么说，”我妻子回答说，

It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.

它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。

His average speed had been 301 miles per hour.

他的平均时速实际是301英里。