2-d
二维的\\n平面的\\n二元的（two dimensional）
🗣️ 情景例句
Sure.
当然可以。
Humility is the foundation of all virtue.
谦逊是一切美德的基础。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，