Biorthogonal
双正交的
🗣️ 情景例句
The bad news hit everyone hard.
恶耗使每个人都受到了沉重打击。
Beggars must (should) be no choosers.
行乞的哪能挑肥拣瘦；饥不择食。
I wish I had never met you.
我真后悔这辈子遇到你！