Ӣ������

n. ���룻�볡���ɣ�����

ͬ���

n. insertion��introduction

ӢӢ����

n.
  1. the act of putting one thing into another

��������

intromission
���룬����; ����; Ų�ÿ���; ���壺����,����;
vicious intromission
ǿ��;
angle of intromission
ȫ͸���;