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
Really?
真的？
To hide in a hole
藏身穴中
I was very tired when I arrived home. I'd been working hard all day.
我到家时非常累。我一整天都在玩命地干！