Adot
abbr. automatic digital optical tracker 自動數字光學跟蹤器; automatically directed outbound trunk (Bell) 自動定向外線主干（貝爾）
??? 情景例句
when Teddy Roosevelt was President.
在Teddy Roosevelt當總統的時代。
Have you got your cheque book with you?
您支票本帶來了沒有？
so vast is the number of planets,
但是行星的數目是那么龐大，