Hfs
其它 Otherabbr. 超精结构（hyperfine structure）
🗣️ 情景例句
I have to postpone our appointment.
我要把我们的约会延期。
Don't break the rules.
不要违规。
She played basketball after school, and then walked home.
放学后她打了篮球，然后步行回家。