rope guard

例句：

1. 1. The construction workers were carefully placing the rope guard around the edge of the cliff.
   建筑工人正在小心翼翼地在悬崖边缘放置绳索护栏。
2. 2.The police used a rope guard to block off the area while they investigated the crime scene.
   警方使用绳索护栏封锁了现场，以便调查犯罪现场。
3. 3. The rope guard was designed to prevent people from falling into the deep canyon.
   绳索护栏的设计是为了防止人们跌落到深峡谷中。