Walkerite
镁针钠钙石
🗣️ 情景例句
I have no time for extra-curricular activities.
我可没时间参加课外活动。
I was born on November first,nineteen thirty-five.
我是一九三五年十一月一号。
Carlyle was entirely ignorant of what the bottle in his pocket contained,
卡莱尔不知道药瓶子里装的是什么药，