migration

• n. 移住、移住、移動

migrate、migration、transferから。

migration (n.)

1610s, of persons, 1640s of animals, from Latin migrationem (nominative migratio) "a removal, change of abode, migration," noun of action from past participle stem of migrare "to move from one place to another," probably originally *migwros, from PIE *meigw- (source of Greek ameibein "to change"), from root *mei- (1) "to change, go, move" (see mutable). Related: Migrational.

That European birds migrate across the seas or to Asia was understood in the Middle Ages, but subsequently forgotten. Dr. Johnson held that swallows slept all winter in the beds of rivers, while the naturalist Morton (1703) stated that they migrated to the moon. As late as 1837 the "Kendal Mercury" "detailed the circumstance of a person having observed several Swallows emerging from Grasmere Lake, in the spring of that year, in the form of 'bell-shaped bubbles,' from each of which a Swallow burst forth ...."

1. The scale of migration took a quantum leap in the early 1970 s.

1970年代初頭、移民の規模は急激に拡大した。

2.During the last recession， migration to the sunbelt accelerated.

先の不況期には、米国南部の太陽光地帯への移民が加速した。

3.Birthplace data are only the crudest indicator of actual migration paths.

出生地情報は、実際の移民プロセスを非常に大まかに表示することしかできません。

4.Swallows begin their migration south in autumn.

ツバメは秋に南へ移動を開始します。

5.The migration consisted of three waves of settlers.

西部への移民運動には3回の波があった。