Micronex
[化] 气炭黑
🗣️ 情景例句
English is the language of aviation.
英语是航空语言。
The computer is out of order.
这台计算机坏了。
Municipalities naturally want to secure the campers' site fees and other custom.
市政当局当然希望获得露营者的场地费和其他光临的好处，