Pentaoxacyclooctadecane
[化] 五氧杂环十八烷
🗣️ 情景例句
Hi.
你好。
The death of wolves is the safety of the sheep.
群狼一死众羊安。
Before he retired, Frank was the head of a very large business company, but as a boy he used to work in a small shop.
在退休前，弗兰克是一家非常大的商业公司的经理，但他小时候却在一家小铺里做工。