1. To seek concealment or protection, as from enemy fire. '���'��''Ϊ��ܵ��˻�����Ѱ��''��'���'��''����
2. The meeting have all been in public places, without concealment . ���涼���ڹ���������һ�㲻���˶�Ŀ��
3. As a completely new form of trade, electronic commerce has characteristics of fictitiousness, globalization, concealment and low cost. ������Ϊȫ�µ�ó����ʽ�����н������⻯��ȫ�����λ��ͳɱ��������ص㡣
ӢӢ����
n.
1. the condition of being concealed or hidden
2. a covering that serves to conceal or shelter something
3. the activity of keeping something secret