Variation principle
[计] 变分原理
🧩 词语组成解析
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
There is something in what she said.
她说的话里有些重要的内容。
Come on! they shouted.
“快！快啊！”他们喊道。