Picolinyl
皮考啉基, 甲代吡啶基
🗣️ 情景例句
At this hour?
在这个时候？
I'm Clifton, and I've been associated with this project since the beginning.
我叫克里夫敦，从一开始我就参与了这项计划。
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。