Flipflop
n. 触发器
🗣️ 情景例句
Are you having a good time, Susan?
玩得高兴吗， Susan？
Cut it out, my name is Fred, not Fool!
你给我住嘴，我的名字是Fred，不是傻瓜！
Before? After? said the doctor.
“饭前？饭后？”医生说。