Probability density function
[化] 概率密度函数
🧩 词语组成解析
🗣️ 情景例句
In general, my reaction is favorable.
总之，我的反应良好。
The sewing machine is out of order.
这缝纫机坏了。
and usually lashes fiercely with its trunk in all directions.
往往是用鼻子朝各个方向猛烈地甩动。