un.der.class

underclass的音标和读音：
DJ音标发音： [ˈʌndəˌklæs]
KK音标发音： [ˈʌndɚˌklæs]

underclass的词性：
n.（名词）

1. The lowest societal stratum, usually composed of the disadvantaged:
社会低层：社会最低层，通常由穷人组成：

“America can no longer afford racism and a neglect of the underclass”(Lance Morrow)“Divorced women and their children are becoming a new underclass”(Barbara Fisher Williamson)
“美国已无法再承受种族歧视和忽视穷人所带来的损失”(兰斯·莫罗)“离婚妇女和她们的孩子正在形成新的社会最低层”(芭芭拉·费希尔·威廉逊)