Hfs
其它 Otherabbr. 超精结构（hyperfine structure）
🗣️ 情景例句
Hi.
嗨，
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
This bottle is empty.
这瓶是空的。