Phthalazine
[化] 酞嗪; 2,3-二氮杂萘
🗣️ 情景例句
You won't believe this,
简直不会相信，
What kind of work do you do? Are you a salesman?
你做什么样的工作？ 你是一售货员吗？
What's the matter with him, doctor?
他得了什么病，医生？