Ook
abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
But first you have to smile.
但首先你得笑一笑。
Each person follows his own interests.
人人都追求自己的利益。
They had laboured for three years to produce this floating work of art;
瑞典人辛辛苦苦干了3年才建成这件水上艺术品，