Polyhydroxy-acid
[化] 多羟基酸
🧩 词语组成解析
a. [化]多羟(基)的
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
The doctor said I looked pale and tired.
医生说我看起来苍白和疲倦。
Sally is leaving tomorrow and coming back on Saturday.
傻俐明天走，星期六回来。