报关港

例句：

1. 1. The customs office is located at the port of entry.
   海关办公室位于入境口岸。
2. 2. Customs clearance is a crucial step in the import process.
   海关清关是进口流程中至关重要的一步。
3. 3. The port authorities are responsible for ensuring the safety of cargo during transit.
   港口当局负责确保货物在运输过程中的安全。