Copyrine
[化] 2,7-萘啶; 2,7-二氮杂萘
🗣️ 情景例句
Three scoops of chocolate ice cream for Tim coming up.
给Tim的三勺巧克力冰淇淋马上送来。
Have you been busy with schoolwork?
学校的功课很忙吗？
How old are you?
你多大啦？