n. Canadian explorer (born in England) who explored the Mackenzie River and who was first to cross North America by land north of Mexico (1764-1820)
n. a Canadian river; flows into the Beaufort Sea
n. 麦肯齐河（又译“马更些河”, 加拿大西北部河流）；麦肯齐区（又译“马更些区”, 加拿大西北部的小区）；麦肯齐氏