Dtm
abbr. 电信管理局长（Director of Telecommunication Management）；持续时间调制（Duration Time Modulation）
🗣️ 情景例句
He says he'll get up at six tomorrow morning, but he'll never make it.
他说他明天早上要6点起床，但他是绝对做不到的。
Thank you for the lovely flowers.
谢谢你送给我这么美的花。
Refuse politely any cold drink from an unknown source.
应谢绝任何不明来源的冷饮。