Polyuronic acid
[化] 多糖醛酸
🧩 词语组成解析
🗣️ 情景例句
Guess what I just found out.
你猜我刚知道了什么？
Don't tell me.
不要告诉我。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。