Picolinyl
皮考啉基, 甲代吡啶基
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
Why was only he exempted from work?
为什么只有他不必工作呢？
Your bid is much higher than your competitor's.
你们的价钱比起其他公司高出太多了。