Particle density
[化] 颗粒密度
🧩 词语组成解析
🗣️ 情景例句
Does Richard Stewart live here?
Richard Stewart住这吗？
You cannot sell the cow and sup the milk.
你不可能出售乳牛，同时又要喝牛奶。
trying to escape from avenging boredom by mere clatter and motion.
企图以闲聊和乱窜来摆脱无聊对他们的报复，但这是徒劳的。