Polyuronic acid
[化] 多糖醛酸
🧩 词语组成解析
🗣️ 情景例句
That's a secret ... between us women.
这是个秘密……我们女人的秘密。
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。