Hexaoxacyclooctadecane
[化] 六氧杂环十八烷; 18-冠-6; 18-冠醚-6
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
What is called 'modern civilization' is not the result of a balanced development of all man's nature.
所谓“现代文明”并不是人的天性平衡发展的结果，