Orthogonal system
[计] 正交系统
🧩 词语组成解析
a. 直角的, 正交的\\nn. 正交直线, 矩形面
🗣️ 情景例句
Thank you. I'd very much like to have a cup of Chinese tea.
我想来杯中国茶，谢谢你。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？