In some neighborhoods, encampment sites showed evidence of uncontrolled fires or vandalism, while in other neighborhoods illegally dumped residential refuse remained unscavenged.
FORBES: Analytics Lessons From The Homeless
unscavenged:
From un- +? scavenged
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。