N-octadecanoic acid
[建] 硬脂酸
🧩 词语组成解析
🗣️ 情景例句
Where's the campus cafeteria?
校园的食堂在哪儿？
When a dog is drowning everyone offers him drink.
落井下石。
How can you change your mind at last minute?
你怎么能在最后时刻改变主意呢？