Dinicotinic acid
[化] 烟碱二酸; 吡啶二甲酸
🧩 词语组成解析
🗣️ 情景例句
Kissing someone that smokes is like kissing an ashtray.
吻一个烟民就像吻一个烟灰缸。
What do you do?
你是做什么的？
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。