圣劳伦斯河海道

例句：

1. 1. The Strait of Severn is a critical waterway for the region's shipping industry.
   圣劳伦斯海峡是该地区航运业的关键水道。
2. 2.The St. Lawrence Seaway is a major international waterway connecting North America to Europe.
   圣劳伦斯海路是连接北美与欧洲的主要国际水道。
3. 3.The construction of the Strait of Severn has greatly improved transportation between Canada and the United States.
   圣劳伦斯海峡的建设极大地改善了加拿大与美国之间的交通。