boarding agent
寄宿代理
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Ticket Agent: This is the final boarding call for Flight 009.
这是最后的009飞机航班的最后广播。
youdao
When a passenger steps forward to get on a flight, an agent could hold up the boarding pass and passport in front of their smart glasses, scanning barcodes on the two documents simultaneously.
BBC: Could Google Glass ease air travel?
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