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
Philip, I've been working on this special project Philip
我一直在研拟一项特别计划
It is more pain to do nothing than something.
什么都不做要比做一点更不好受。
He grasped both my hands.
他紧握住我的双手。