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
What's your occupation?
你的职业是什么？
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？
So he couldn't buy himself lots of good things. But he had lots of friends instead.
所以他不能给自己买很多好东西。可是他却有许多朋友。