N-octadecanoic acid
[建] 硬脂酸
🧩 词语组成解析
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
We've increased our efficiency by 20% through automation.
通过自动化我们的效率增加了20%。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！