Definition of North America in English:
North America
proper noun
A continent comprising the northern half of the American land mass, connected to South America by the Isthmus of Panama. It contains Canada, the United States, Mexico, and the countries of Central America.
北美洲（美洲大陆的北半部，通过巴拿马地峡与南美洲相连，包括加拿大、美国、墨西哥和中美洲国家）
Definition of North America in US English:
North America
proper nounˌnɔrθ əˈmɛrəkəˌnôrTH əˈmerəkə
A continent comprising the northern half of the American landmass, connected to South America by the Isthmus of Panama. It contains Canada, the US, Mexico, and the countries of Central America.
北美洲（美洲大陆的北半部，通过巴拿马地峡与南美洲相连，包括加拿大、美国、墨西哥和中美洲国家）