海关

例句：

1. 1. The customs officers inspected the cargo for any suspicious items.
   海关官员检查了货物，寻找任何可疑物品。
2. 2.Customs officials have been monitoring the shipment to ensure compliance with regulations.
   海关官员一直在监控这艘船只，确保遵守规定。
3. 3.The port authorities are working closely with customs to improve efficiency.
   港口当局正在与海关密切合作，以提高效率。