Biorthogonality
[计] 双正交
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
Don't put the cart before the horse.
勿本末倒置；勿倒果为因。
Put down the gentleman's address.
把这位先生的地址写下来。