frontier port的用法和样例：
例句
- Sanitary supervision at frontier ports should be conducted under the direction of the health quarantine officials.
国境口岸卫生监督应在卫生检疫官员的指导下进行。 - Article 7 Persons and conveyances on entering the country shall be subject to quarantine inspection at designated places at the first frontier port of their arrival.
第七条入境的交通工具和人员，必须在最先到达的国境口岸的指定地点接受检疫。
frontier port的相关资料：
临近单词
Frontiers
frontier
frontier region of southwest China
Frontiers of systems engineering.
frontier defense inspection station
frontier defence inspection station
Frontier Science of Polymer Materials
Frontier Research in Telecommunications
Frontiers in Statistical Quality Control
frontier and minority nationality region
frontier and minority concentrated region
