n. Scottish explorer who led Arctic expeditions that yielded geographic discoveries while searching for the Northwest Passage (1777-1856)
n. British explorer of the Arctic and Antarctic; located the north magnetic pole in 1831; discovered the Ross Sea in Antarctica; nephew of Sir John Ross (1800-1862)
n. British physician who discovered that mosquitos transmit malaria (1857-1932)
n. 罗丝(女性名)