Zf
abbr. 零频率（Zero Frequency）
🗣️ 情景例句
The most important thing is for you to decide your own future.
最重要的是你要自己决定自己的未来。
Today is the scholar of yesterday.
今天是昨天的学者。
What about this one?This one's got a label.
这只是不是？这只箱子有张标签。