Resiode
变容二极管
🗣️ 情景例句
After Richard was born.
等生下Richard之后。
We can't drink so much.
我们不能喝那么多。
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，