Pectinic acid
[化] 果胶酯酸
🧩 词语组成解析
🗣️ 情景例句
What about the rings?
戒指怎么办？
Officer, give me a break.
警官，请恕我打扰一下。
We are lucky in that only the lower fields, which make up a very small proportion of our farm, are effected by flooding,
值得庆幸的是，只有低洼的受到洪水影响，而低洼地在我们农场比例很小。