| 单词 | migration |
| 释义 | migration —migrational, adj. /muy gray"sheuhn/, n. 1. the process or act of migrating. 2. a migratory movement: preparations for the migration. 3. a number or body of persons or animals migrating together. 4. Chem. a movement or change of position of atoms within a molecule. 5. Physics. diffusion (def. 3a). [1605-15; < L migration- (s. of migratio). See MIGRATE, -ION] |
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