2-d
二维的\\n平面的\\n二元的（two dimensional）
🗣️ 情景例句
It's great to see you!
真高兴见到你！
He is too lazy to move but luckily he has strong toes.
他虽然懒惰得不肯动，但是幸而有强壮的脚趾。
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。