Mathfile
[计] 数学文件
🗣️ 情景例句
I can't face him after what I've done.
从那以后我无颜面对他。
What were you doing when I called?
我打电话给你时你在干吗？
But my sister bought this pair last month.
但是，我姐姐上个月买到了这样的一双。