各位同学Dear students:

对于当前严峻复杂的疫情形势，现温馨提示如下：

For the current severe and complex epidemic situation, Kindly remind you：

1. 校园实行封闭管理，非必要不出校，非必要不出京，非必要不出境，非必要不聚集，不前往中高风险地区，积极配合学校防疫工作，遵守请假审批制度，坚持完成每日健康报告,坚持佩戴口罩。

The campus is under closed management. Do not leave campus unless necessary, do not leave Beijing unless necessary, do not leave China unless necessary, do not gather unless necessary, and do not go to medium- and high-risk areas.Actively cooperate with the BTBU's epidemic prevention work. Comply with leave application regulations and insist on completing daily health reports.And insist on wearing a mask.

2. 学校定期按照一定比例对师生员工进行核酸抽检.

BTBU regularly conducts nucleic acid sampling according to a certain proportion for teachers, studnets and staff.

3. 在接收国外邮件时对内外包装进行全面消毒后再打开。注意洗手和对手进行消毒，避免因为污染的手接触口、鼻、眼导致的接触传播。

Disinfect the inner and outer packaging after picking the mail packages up.Hand washing and disinfection should be practiced to avoid transmission caused by contaminated hands touching the mouth, nose, and eyes.