我的新手机支持高速无线充电。

My new phone supports ___high-speed wireless charging.

下载大型文件时，你需要一个高速网络连接。

You need a ___high-speed network connection to download large files.

新开通的高铁线路提供了快速的城际交通服务。

The newly opened ___high-speed rail provides quick intercity travel.