Methylphenidate
[化] 哌醋甲酯; 利他靈\\n[醫] 苯哌啶醋酸甲酯
??? 情景例句
Mary, I'm glad you called me.
Mary，很高興你給我打電話。
Industry is fortune's right hand, and frugality her left.
勤勉是幸運的右手，節約是幸運的左手。
Was there a problem.
出了什么問題嗎？