Narf
abbr. natural axial-resonant frequency 自然轴向共振频率
🗣️ 情景例句
One piece of advice.
给你一句忠告。
Excuse me, please.
对不起。
In towns that are near the sea, the tiny lanterns which had been hung in the streets the night before, are placed into the water when the festival is over.
在靠海的城镇中，头天夜里挂在大街小巷的小灯笼在节后就放在了水里。