Probalility density
[电] 机率密度
🧩 词语组成解析
🗣️ 情景例句
I happen to have
我这儿碰巧有一项
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
I can set up a tour next week.
我可以安排在下个礼拜参观。