Ook
abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
I'll probably wake up early and get up at 6:30.
我可能早醒并在6:30起床。
All for one，one for all.
我为人人，人人为我。