Fastnet
abbr. fully automated switched telecommunications network 全自动化交换通信网（络）
🗣️ 情景例句
Good luck.
祝你好运。
No sweat, no sweet.
不劳则无获。
There is a fire burning in the fireplace, and the Christmas tree lights are shining brightly.
火在壁炉里熊熊燃烧，圣诞树的彩灯在交相交烁。