Icf
abbr. 内部通信触发器（Inter-Communication Flip-Flop）
🗣️ 情景例句
What are you greatest weaknesses?
你本人最大的弱点是什么？
A fool's bolt may sometimes hit the mark.
愚者千虑，必有一得。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！