N-heptadecanoic acid
[建] 正十七酸
🧩 词语组成解析
🗣️ 情景例句
He is as poor as a church mouse.
他一贫如洗。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
Here is another photograph.
这是另一张照片。