Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
and making it a new community center.
使它成为一个新的社区中心。
The class made noticeable improvement.
这班有明显的进步。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。