underlapped是underlap的过去式

underlap

美 
英 
  • v.使(某物)局部置于[延伸于](另一物)之下
过去式:underlapped  现在分词:underlap-ping  
v.
1.
使(某物)局部置于[延伸于](另一物)之下;(伸展时)使部分重叠