Pyridoquinoline
[化] 吡啶并喹啉
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
Which do you prefer, fishing or mountain-climbing?
钓鱼和登山，你更喜欢哪一个？
I was alone，but not lonely.
我独自一人，但并不觉得寂寞。