Indenofluorene
茚并芴
🗣️ 情景例句
Have you been here to see Dr. Tyler before?
你曾来过泰勒医务所看过医生吗？
My brother got up earlier than I did.
与我做了比，我的兄弟早起床了。
No, not all of them.
不，没办法全部。