Picolinyl
皮考啉基, 甲代吡啶基
🗣️ 情景例句
It's OK, Harry.
没关系， Harry。
Sooner or later.
迟早会的。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。