Naphthalidine
[化] 1-萘胺
🗣️ 情景例句
The welcome sign over the door.
门上的欢迎标语。
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
You don't know where Karen is, do you?
你不知道卡轮在哪，是吧？