Density of particle
[医] 微粒密度
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
And that's dear little Max.
那是亲爱的小Max。
He knows much who knows how to hold his tongue.
懂得缄默的是明白人。
Each day is a holiday,and ordinary holidays, when they come,
每天都是假日，而通常的假期到来时，