Zf
abbr. 零频率（Zero Frequency）
🗣️ 情景例句
May I please speak to Mr. Kong?
我可以孔先生讲话吗？
It is more blessed to give than to receive.
施恩比受惠更有福。
The fish are not sharks or killer whales,
这些鱼并不是鲨鱼或逆戟鲸，