Dex
abbr. 电信电话公司电子交换器（Dendenkosha Electronic Exchange）
🗣️ 情景例句
I'm relieved to hear that.
你的话使我松了一口气。
Who is she?
她是谁？
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。