Adot
abbr. automatic digital optical tracker 自动数字光学跟踪器; automatically directed outbound trunk (Bell) 自动定向外线主干（贝尔）
🗣️ 情景例句
Nobody knows how to do it.
没有人会打。
What do you mean? not at all!
哪有？
I don't know how to express my gratitude.
我不知道怎样来表达我的感激之情。