high-speed
adjective [ before noun ] uk/ˌhaɪˈspiːd/ us/ˌhaɪˈspiːd/
快速的，高速的
used to describe something that moves or operates very quickly
a high-speed train/ferry 高速火车／渡船
a high-speed computer 高速计算机
high-speed data transmission 高速数据传输