Ooking
(ook 的现在分词) abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
His house is on the left.
他的房子就在左边。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
That's the stupidest thing I've ever heard!
那是我听到的最愚蠢的事！