Variation principle
[计] 变分原理
🧩 词语组成解析
🗣️ 情景例句
You'll have your tonsils out tomorrow,
明天你的扁桃腺一切除，
The fault of the ass must not be laid upon the packsaddle.
驴子不乖，休怪驮鞍。
They said that the march had been forbidden, but that wasn't true.
他们说游行向来是被禁止的，但这不是事实。