passel

n.

一批，一群；

1. They had a whole passel of children.
   他们有一大群孩子。

Undocumented Immigration
A Portrait of Unauthorized Immigrants in the ...
Net Migration from Mexico Falls to Zero—and Perhaps Less
The New Demography of America's Schools: Immigration and the No Child Left Behind Act.
Estimates of the Size and Characteristics of the Undocumented Population
Immigration and immigrants: setting the record straight.
A Count of the Uncountable: Estimates of Undocumented Aliens Counted in the 1980 United States Census
U.S. population projections: 2005-2050.
Hispanics Account for More than Half of Nation’s Growth in Past Decade
Mucin-bacterial interactions in the human oral cavity and digestive tract