Orthosurface
正交曲面
??? 情景例句
What's your favorite food?
你最愛的食物是什么？
This is a revolutionary new product.
這是一種革命性的新產品。
I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids.
我用一條膠帶把桃樹底部包上，不讓螞蟻接近蚜蟲。