- snowbird (n.)
[snowbird 词源字典]
- also snow-bird, from 1680s in reference to various types of birds associated with snow, from snow (n.) + bird (n.1). From 1923 in reference to northern U.S. workers who went to the South in the winter months to work; by 1979 in reference to tourists.[snowbird etymology, snowbird origin, 英语词源]