to disallow entry into (a place) by means of a physical barrier at the entry pointbig orange barrels walled off the highway exit
big orange barrels walled off the highway exit
bar, barricade, block (off), blockade, close (off), guard
curtain (off), screen (off)dike, fence, gate, hedgebolt, lockobstruct
open, unbar
reopen, unblock, unbolt
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。