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
He was more than helpful.
他不仅仅是帮忙。
Would you speak a little louder?
请你说大声一点好吗？
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。