Binormal
[数]副法线, 仲法线, 次法线
🗣️ 情景例句
Where's the nearest flea market?
最近的跳蚤市场在哪儿？
You are welcome.
不客气。
Whether the remarkable growth of organized camping means the eventual death of the more independent kind is hard to say.
有组织的露营活动的明显发展是否意味着较独立的自我封闭式露营的最终消失，还很难说。