Stdiostream
标准输入输出流
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
The black ox has trod on his foot.
祸事临头。
In 1892 the age of mass arrivals began, during which 15 million new people passed through Ellis Island into the USA over a period of 62 years.
1892年开始了一个国外移民大量涌入的年代，在随后的62年中，有1，500万新来的人通过埃利斯岛进入美国。