1. Some contestants enter as late as a day before the race. ��Щ����ѡ��ֱ������ǰһ��ű���������
2. You can now enter your name you want to register old apps. ���ڣ���������������������Ҫע��ɵ�Ӧ�ó���
3. You have to enter your password before entering this system. Ҫ�������ϵͳǰ����Ҫ����������롣
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v.
1. to come or go into
2. become a participant; be involved in
3. register formally as a participant or member
4. be or play a part of or in
5. make a record of; set down in permanent form
6. come on stage
7. put or introduce into something
8. take on duties or office
9. set out on (an enterprise or subject of study)