Ook
abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
And have a good stay in the Big Apple.
祝您在纽约愉快。
How much for a one-way ticket to shanghai?
去上海的单程票多少钱？
Two months later, some more money was sent to Sam with another note: 'Only 25 per cent a thief now!'
“这回只是25%的小偷了！”