Dentaphone
牙助听器
🗣️ 情景例句
May I please speak to Ling Ling?
我可以和玲玲讲话吗？
I read 8 lines.
我读了八行字。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，