Vector fnction
[电] 向量函数
🧩 词语组成解析
🗣️ 情景例句
It's important for you to keep a cool head at this moment.
这时候保持头脑冷静是很重要的。
What is wealth good for,If it brings melancholy?
财富如带忧郁来，有了财富有何用？
He himself has done it lots of times!
他自己就已戒了很多次了！