名词
中文翻译：滚筒门
同义词：
['rolling door', 'rolling gate']
例句：
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1.The new roller gate is much more secure than the old one.
新的滚筒门比旧的更加安全。
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2.The construction workers are using a roller gate to open the gateway.
建筑工人正在使用滚筒门打开入口。
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3.The roller gate was installed at the entrance of the building to prevent people from entering without authorization.
在大楼入口处安装了滚筒门，以防止未经授权的人员进入。