Binormal
[数]副法线, 仲法线, 次法线
🗣️ 情景例句
The world could be heading for an economic recession.
世界也许正在走向经济衰退。
Plants of learning must be watered with the rain of tears.
知识的幼苗要用泪雨来浇灌。
Thanks, Lucy.
谢谢，Lucy。