Definition of Bosporus in English:
Bosporus
(also Bosphorus)
proper nounˈbɒspərəsˈbɑsp(ə)rəs
A strait connecting the Black Sea with the Sea of Marmara, and separating Europe from the Anatolian peninsula of western Asia. Istanbul is located at its south end.
博斯普鲁斯海峡（连接黑海和马尔马拉海，将欧洲大陆和西亚的安那托利亚半岛分割开来，伊斯坦布尔坐落在海峡南端）
Definition of Bosporus in US English:
Bosporus
(also Bosphorus)
proper nounˈbäsp(ə)rəsˈbɑsp(ə)rəs
A strait that connects the Black Sea with the Sea of Marmara and separates Europe from the Anatolian peninsula of western Asia. Istanbul is located at its south end.
博斯普鲁斯海峡（连接黑海和马尔马拉海，将欧洲大陆和西亚的安那托利亚半岛分割开来，伊斯坦布尔坐落在海峡南端）