Otts
abbr. outgoing trunk testing system 出局中继线测试系统; outgoing trunk transmission system 出局中继线传输系统
🗣️ 情景例句
Give me a call later, Malcolm.
请稍后打电话给我 ，Malcolm。
Do you have a phone book(directory)?
你有电话簿吗？
Sure. go right ahead.
好啊，请便。