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abbr.学生和交流访问者信息"XiTong" (The Studentand Exchange Visitor Information System)
1、baseplate lift───基板升降
2、anchylosed teeth───固位牙
3、ride a house───骑着房子
4、seldom if ever───如果有也是少见的，几乎从来不
5、insectivora species───食虫纲
6、semiprecious stone───半宝石，次等宝石
7、enjoy herself───玩得开心点
8、accentual phrase───重音短语
9、fructose metabolism───果糖代谢
10、orient response───定向反应
1、Today we discuss something else that every foreign student needs to know about: SEVIS.───今天，我们讨论一些每个外国学生都必须知道的，那就是SEVIS。
2、SEVIS is a Web-based information system that keeps track of foreign students.───SEVIS是一个将所有外国学生的信息登记备案的网上信息资料库。
3、Last week the subject was getting a travel visatodayToday we discuss something else that every foreign student needs to know about: SEVIS.───上周，我们讲到的是如何取得一个旅游签证。今天我们讨论另外一件事，是每一个留学生都必须了解的：SEVIS。
4、SEVIS is the Student and Exchange Visitor Information System operated by the Immigration and Customs Enforcement agency.───SEVIS即学生与交换学者信息XiTong，这个XiTong是受美国移民与海关执法署管理的。
5、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。
6、With SEVIS, a school enters information about a student. The system lets the school know when the student has arrived.───学校可以通过SEVIS输入学生的相关信息，该XiTong能让学校知道学生抵达美国的时间。
1、When you have been academically admitted to the institution or accepted as a participant in an exchange program, the academic institution will provide you with the appropriate form required by SEVIS.
2、With the SEVIS and US-VISIT databases now in operation, there is no longer a re-registration requirement for whole groups of visitors -- such as those from certain countries.
3、You must pay the SEVIS fee: $200 for F-1 and M-1 visas and $180 for J-1 visas.