Phthalazone
[化] 2,3-二氮杂萘酮
🗣️ 情景例句
Remember, the number 1 train. The uptown platform.
记住，搭一路车，在北月台 。
Do as the Romans do.
入境要问俗。
Hi, Sam! How are you today?
嗨，山姆！你今天好吗？