So, it's a kind of security gate.

因此，这是一种安检门。

youdao

Please set down your belongings and step through the metal detector/security gate.

请您拿出随身物品，并通过金属探测器/安检门。

youdao

Please set down your belongings and step through the metal detector/security gate.

请您拿出随身物品，并通过金属探测器/安检门。

youdao