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
I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么，也许这就是语言障碍吧。
The story Sam told wasn't very funny.
萨姆的故事一点意思也沒有。
My sister is only seven, but she always tells me whether my pictures are good or not.
我的妹妹只有7岁，但她总能说出我的画是好还是坏。