Etidronate
[醫]1-羥基-亞乙基-1, 1-二膦酸
??? 情景例句
Let me see -- ASPCA....
讓我瞧瞧 ASPCA ……
Experience keeps no school, she teaches her pupils singly.
親身經驗，才是經驗。
I'm sorry, these 2 books are 3 days overdue.
小姐，對不起，這兩本書已經過期3天了。