steam port

例句：

1. 1.The steam port is a hub for cargo transportation in the region.
   这个蒸汽港是该地区货物运输的中心。
2. 2. The steam port has been undergoing extensive renovations to improve efficiency.
   这个蒸汽港正在进行大规模的改造，以提高效率。
3. 3. The steam port is expected to handle more than 50,000 tons of cargo this year.
   预计这个蒸汽港今年将处理超过5万吨的货物。