Lagrangian
[化] 拉格朗日; 拉格朗日量
🗣️ 情景例句
We're happy you got the promotion.
很高兴你得到了提拔。
God never shuts one door but he opens another.
天无绝人之路。
Plumtree-that's a small village not far from Sydney. What about you? You're from England, aren't you?
普拉姆特里--那是个离悉尼不远的小村庄。你呢？你是英国人，对吗？