in-migration
n. 移来, 迁入
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- It is possible that the ardor of foreign migration is more selective of hardy biological stock.
这大概是外国移民的生命力具有较强的生物系世系的选择性之故。收藏 - This reflected a migration of truly awesome proportions
这是一种真正骇人的人口迁移运动。收藏 - The transoceanic migration of birds
鸟类的越洋迁徙.收藏 - He described the vernal migration of birds in detail
他详细地描述了鸟的春季移居。收藏 - The annual migration of birds
候鸟每年的迁徙收藏
开心词场背单词
名词解释：