Dalembertian
达兰伯算符
🗣️ 情景例句
But this is what you've been working for all these years.
但你多年来的工作 为的就是这个呀。
Hi, thief! Would you stop that music for me?
喂，小偷兄，你能替我把音乐关掉吗？
What is your plan?
你的计划是什么？