overlap/ əuvə'læp /

1.vi.[objects] [ areas+] 
(physically) 重叠

2.vi.[ideas] [ activities] [ events+] 
(coincide) 巧合

3.vt.
(go over) 部分重叠

4.vt.
(put over) 交搭

5.noun [c] 
重叠部分