Dibasic carboxylic acid
[化] 二羧酸; 二价羧酸
🧩 词语组成解析
a. 二元的\\n[化] 二元的; 二价的; 二碱价的; 二取代的
[机] 羧基的
🗣️ 情景例句
It's the way it should be.
本该如此。
The question hung in the air.
这个问题仍悬而未决。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫声肯定是从烟囱里传出来的，然而，因为烟囱太多，消防队员无法确定到底是哪一个。