Octadecadienoic acid
[化] 十八碳二烯酸
🧩 词语组成解析
🗣️ 情景例句
and then a big red barn.
然后就是一座大的红色仓。
All things are easy that are done willingly.
做事乐意，诸事容易。
No, it's quite near.
不，很近。