| 单词 | migratory |
| 释义 | migratory (once / 5503 pages) adj Animals that change locations with the seasons are said to be migratory. Ruby-throated hummingbirds are migratory. They spend winter in the warmer climate of Mexico, Central, and South America and then return to the eastern United States in the spring. People who move from place to place in search of work are said to be migratory. The adjective is often used in combination with the noun workers. In the United States, migratory workers travel from state to state to help bring in the harvest, often with whole families traveling together. After a cold winter, you might want to be a bit migratory yourself: you could move south to Florida in the winter and return north to Ottawa each spring. WORD FAMILYmigratory: nonmigratory+/migrate: migrated, migrates, migrating, migration, migrator, migratory, transmigrate/migration: migrational, migrations/migrator: migrators/transmigrate: transmigrated, transmigrates, transmigrating, transmigration/transmigration: transmigrations USAGE EXAMPLESThe birds are not listed under the federal Endangered Species Act but are protected under the Migratory Bird Treaty Act. Seattle Times(Dec 25, 2016) In terms of biomass, the insects greatly exceeded migratory birds in Britain. Reuters(Dec 22, 2016) Officials say the area supports native fish, more than 200 species of birds and links migratory routes for elk, pronghorn and other mammals. Seattle Times(Dec 22, 2016) 1adj used of animals that move seasonally migratory birds Ant nonmigratory, resident used of animals that do not migrate 2adj habitually moving from place to place especially in search of seasonal work migratory workers Syn migrant unsettled not settled or established |
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