Composition of atmosphere
[机] 大气组成
🧩 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];
🗣️ 情景例句
Hi.
你好。
And finally, I want to express my appreciation to all of my friends for their support.
最后，我想感谢所有支持过我的朋友。
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。