名词
中文翻译：移动的栏杆
同义词：
['movablebar', 'movable barrier', 'adjustablebar']
例句：
-
1. The policeman was standing guard at the shifting bar.
警察站在可移动的栏杆处站岗。
-
2. The construction workers were adjusting theshifting bar to make room for the newbuilding.
建筑工人正在调整可移动的栏杆，为新建筑腾出空间。
-
3.The moving bar is a useful tool forsafety in construction sites.
可移动的栏杆是施工现场安全有用的工具。