Fluoreneamine
芴胺
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
With the rate of inflation I borrow money from the bank.
由于通货膨胀，我要向这家银行贷款。
He was absent on Monday,Tuesday,Wednesday and Tuesday.How are you all keeping?
星期二、星期三和星期四没去上学。你们身体都好吗？