1·High speed railways have developed rapidly in our country.
高速铁路在我国发展迅速。
2·He was one of the first people to use high speed flash in bird photography.
他是鸟类摄影中最先使用高速闪光灯的人之一。
—— 《柯林斯英汉双解大词典》
3·Both were traveling at high speed.
两辆(火车)都在高速行驶。
4·The Chinese high speed railways have a quatity all on its own.
中国的高速铁路有自己的质量。
5·It will take them about five years to build the high speed railway.
他们将花费大约五年的时间来建造这条高速铁路。