🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
The water has risen over the riverbank.
洪水溢过了防堤。
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，