Probability density function
[化] 概率密度函数
🧩 词语组成解析
🗣️ 情景例句
I need to get out more.
我需要多出门去。
Do you have a phone book(directory)?
你有电话簿吗？
Things can go wrong on a big scale, as a number of people recently discovered in Parramatta, a suburb of Sydney.
就像许多人最近在悉尼郊区帕拉马塔发现的那样，有时乱子会闹得很大。