Ook
abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
Thank you.
谢谢 。
I really don't know.
我真不知道。
They would have continued to struggle against economic odds and would have lived in obscurity.
这家人会继续为克服经济上的拮据而奋斗，并默默无闻地活下去。