| 释义 |
Saint Lawrence SeawayNONE（无词性）- An international waterway, about 3,781 km (2,350 mi) long, consisting of a system of canals, dams, and locks in the St. Lawrence River and connecting channels through the Great Lakes. Jointly developed by the United States and Canada, the seaway opened in 1959 and provides passage for oceangoing ships as far west as Lake Superior.圣劳伦斯航道：一条国际航道，长约3,781公里(2,350英里），该系统包括运河、大坝及圣劳伦斯河上的船闸，通过五大湖区连接不同的通道。此航道由美国和加拿大共同开发，1959年开通以后，为海船向西深入苏比利尔湖打开了通道
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