Combination of gases
[建] 气体的混合
🧩 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
You're welcome.
不用客气。
His designs are highly original.
他的设计独树一帜。
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。