Nabla
纳布拉琴, 劈形算符(数学符号), 微分算符[子]
🗣️ 情景例句
Maybe we should hang out sometime.
我们什么时候可以一起出去散散心。
The creditor has always a better memory than the detor.
放债人的记性比借债人好。
No, that would be fine. I'll tell you how to get here.
不晚，就这么定了。我告诉你到这儿来怎么走。