Lagrange equation(of the 2nd kind)
[化] (第二类)拉格朗日方程
🧩 词语组成解析
[计] 拉格朗日
the
[ðə]
art. 指已提到的人（物）;指说话人与听者已知的人（物）;用于独一无二的事物前;与形容词最高级和序数词连用;
第二(second)
🗣️ 情景例句
I'm Richard. What's your name?
我是Richard！你叫什么？
Tell me, is it a boy?
喂，你是男孩吗？
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。