Ooking
(ook 的现在分词) abbr. 通断键控；开关键控（On-Off Keying）
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
Ignorance of the law excuses no man.
对法律不知不能免罪。
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？