Narf
abbr. natural axial-resonant frequency 自然轴向共振频率
🗣️ 情景例句
It was nothing.
这不算什么。
To make it fast, you can send a fax.
要想快点的话就发个传真。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。