Polygalacturonic acid
[化] 聚半乳糖醛酸
🧩 词语组成解析
🗣️ 情景例句
I have a heavy class load this term.
这个学期我的功课很重。
Buyers, generally speaking, bear the change of packing.
一般来说，买方应承担包装费用。
Because of his revolutionary views, he spent many years in prison.
由于他的革命观点，他在监狱里度过了许多年。