Doubtfulness
n. doubtful（不大可能的）的變形
? 同義詞
?? 反義詞
??? 情景例句
Maybe we can experiment with your patients
也許我們可以在你的病人中試試
The firemen fight fires and rescue people.
消防隊員和火災搏斗，拯救人們。
I think we can do that.
那我想沒問題。