Binormal
[数]副法线, 仲法线, 次法线
🗣️ 情景例句
I know who you are.
我知道你是谁。
To start the city planning
着手都市计划
They had laboured for three years to produce this floating work of art;
瑞典人辛辛苦苦干了3年才建成这件水上艺术品，