Biorthogonality relation
[计] 双正交关系
🧩 词语组成解析
[计] 双正交
🗣️ 情景例句
You can't expect to learn a foreign language in a week.
别指望一个星期就能学会一门外语。
He likes playing hide and seek.
他喜欢玩捉迷藏。
Let's go and have a drink.
让我们去喝点东西吧，