双语例句
But SEVIS was being developed even before the attacks as a way to improve record keeping on foreign students in the United States.
但在袭击事件发生前，SEVIS就作为一种改进在美留学生记录的保管方式存在了。
词典释义：
sevis
时间: 2025-04-30 18:49:32
sevis
词典释义：
sevis
But SEVIS was being developed even before the attacks as a way to improve record keeping on foreign students in the United States.
但在袭击事件发生前，SEVIS就作为一种改进在美留学生记录的保管方式存在了。