Devoicing
v. 使清音化；浊音清化（devoice的ing形式）
🗣️ 情景例句
for coming all this way from the city to talk to me about it.
从城里大老远赶来和我谈这件事。
Have you had breakfast yet?
你吃过早餐了吗？
When is the store closing?
这家店什么时候结束营业？