Dipicolinic acid
[化] 吡啶二羧酸
🧩 词语组成解析
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
Our service has been very well-received by our customers so far.
到目前为止，顾客对我们的服务质量评价甚高。
Sometimes we aren't able to get into every building because there are too many steps.
有时我们并不能进每栋楼房，是因为楼梯太多了。