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
Haven't I seen you before?
我以前没见过你吗？
A strange thing happened to me this morning
一件奇怪的事情今早发生了在我身上。
In the last act, a gaoler would always come on to the stage with a letter which he would hand to the prisoner.
在最后一幕中，狱卒手持一封信上场，然后将信交给狱中那位贵族。