Ooking
(ook 的现在分词) abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
How much are the dues?
会费多少？
You're so great!
你真行！
Alfred had learned many of their ballads in his youth,
阿尔弗德年轻时学过许多民歌，