eruv
noun [ C ] religion specialized uk/ˈer.ʊv/ us/ˈer.ʊv/
开戒界域或标出该地域的（空中）线墙，在该地域犹太教徒仍可以于安息日从事某些活动
according to Orthodox Jewish custom, an area of a town whose edges are marked by a wire, or the wire itself, within which certain activities are allowed on holy days that would not normally be allowed in public on those days
The eruv is a sanctioned strategy for symbolically extending private space into the public domain of streets and sidewalks. 划定开戒界域是一种受到认可的策略，它象征性地拓展了私人空间，使其从家里延伸到大街上。
Outside an eruv, actions such as carrying water or prayer books or pushing a pushchair are prohibited in public on most holy days. 在多数圣日，如果在线墙之外，犹太教信徒不准在公共场合端水、持祈祷书或是推童车。
- More examples
- The Rabbi wants the mayor to approve the placement of a religious boundary called an eruv, which would allow observant Jews to perform minor tasks on their Sabbath or on religious holidays.
- An eruv is a designated area that allows Orthodox Jews to bypass some religious rules on the Sabbath.
- The Quinns are eager to create an eruv, a symbolic boundary around the community that, according to Jewish law, makes it permissible to carry items and push pushchairs on the Sabbath.
- Orthodox Jews aren't allowed to drive on the Sabbath, even within the eruv's boundary.