not free to move about
enclosed by a confining fence
同义词：fenced in??/??penned
not invading healthy tissue
deprived of liberty; especially placed under arrest or restraint
in captivity
同义词：captive??/??imprisoned??/??jailed
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。