add gate

例句：

1. 1. The new building has an add gate at the main entrance.
   这座新大楼在主入口处有一个添加门。
2. 2. The car park has a large add gate for easy access.
   停车场有一个大型的添加门，便于进入。
3. 3. The road was closed off with an add gate to prevent traffic.
   为了阻止交通，道路被一个添加门封闭了。