Pectinic acid
[化] 果胶酯酸
🧩 词语组成解析
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
I took 2 pounds of fish.
我拿了两磅鱼。
That man was so disgusting, I was instantly turned off.
那男人真恶心，我立即拒绝了他。