Particle density
[化] 颗粒密度
🧩 词语组成解析
🗣️ 情景例句
Tell me all about yourself.
告诉我关于你的一切。
Thank you. It was very kind of you.
谢谢，您太好了。
Most of my friends live in the city, yet they always go into raptures at the mere mention of the country.
我的许多朋友都住在城市，但他们只要一提起乡村，马上就会变得欣喜若狂。