Polyhydric acid
[化] 多元酸
🧩 词语组成解析
a. 多羟的；[有化] 多羟基的
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
To sip a cocktail
啜吸鸡尾酒
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。