Polygalacturonic acid
[化] 聚半乳糖醛酸
🧩 词语组成解析
🗣️ 情景例句
No doubt about it.
毫无疑问。
Rome was not built in a day.
罗马并非一日可建成；坚持必成。
Let's ask this policeman. He may know.
咱们问问这位警察。他可能知道。