subport of embarkation

例句：

1. 1. The subport is located in the heart of the city, providing easy access to the main terminal.
   该支港位于市中心，便于前往主码头。
2. 2.The subport is a crucial link between the mainland and the island, facilitating trade and commerce.
   该支港是大陆与岛屿之间的关键连接点，促进了贸易和商业活动。
3. 3.The subport has been undergoing extensive renovations, aiming to improve passenger and cargo handling efficiency.
   该支港正在进行大规模的翻新工作，旨在提高乘客和货物处理的效率。