Dinicotinic acid
[化] 烟碱二酸; 吡啶二甲酸
🧩 词语组成解析
🗣️ 情景例句
I see your point, but I can't really agree with you.
我明白你的观点， 但我的确不能赞同。
I never used to oversleep.
我过去从未睡过头。
but, so far, the archaeologists have been unable to discover her identity.
不过，考古工作者至今未能确定这位女神的身份。