Ooking
(ook 的现在分词) abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
When are Susan and Harry picking you up, Marilyn?
Susan和Harry什么时候来接你们， Marilyn
Yes, there is. We can give a 5% discount for orders over 5,000 units.
是的，有折扣，超过5000个我们可给5%的折扣。
Are they under the chair?
他们在椅子下面吗？