Density of gases
[机] 气体密度
🧩 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];
n. 气体
🗣️ 情景例句
When did you come here?
是什么时候来这儿的？
What in the world are you eating?
你到底在吃什么？
The same to you.
你也一样。