high-speed adj. 高速的:high-speed travel高速行进;high-speed train高速列车The car was running at high speed. 汽车急速地向前行驶。Why did not a high-speed railway between Guangzhou and Chengdu? 为什么没有一条广州到成都的高速铁路?
high-speed adj. 高速的:high-speed travel高速行进;high-speed train高速列车The car was running at high speed. 汽车急速地向前行驶。Why did not a high-speed railway between Guangzhou and Chengdu? 为什么没有一条广州到成都的高速铁路?