Pentacarboxylic acid
[化] 五羧酸
🧩 词语组成解析
🗣️ 情景例句
I would like to live somewhere near the university, or at least on a bus line.
我想住在大学附近，或者至少有公共汽车直达。
Leaves are falling.
叶子落了。
She's sitting under the tree.
她正在树荫下坐着。