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
about your family background.
关于你的家庭背景的。
I'm going to show him how to speak English.
我正要指点他如何讲英语。
Of course.You can pay a deposit of thirty pounds, and then fourteen pounds a month for three years.
当然可以。您可以先付30英镑定金，然后每月14镑，3年付清。