Ook
abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
But with only one more year to go, you would be well-advised to finish.
可是只剩下一年了，你要是明智的话就应该学完。
Don't have thy cloak to make when it begins to rain.
切莫临时抱佛脚。
My particular experience is largely in oil,
我是专门搞石油的，