Ritalin
[医] 利他林, 苯哌啶醋酸甲酯(商品名)
🗣️ 情景例句
Is it supposed to rain today?
今天要下雨吗？
My sister worked as a secretary before she got married.
在她结婚了以前，我的姐姐为一位秘书。
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。