Migrating birds have marvelouos directional sense.

Perhaps migrating birds are the greatest mystery of all.

候鸟也许是所有鸟类中最费解的谜.

The songs of migrating spring warblers pulled her outside.

是春季迁徙的鸣鸟歌声将她的视线拉到了外面.

In any political arena, the migrating minority is " them ", not " us ".

在任何政治舞台上, 移居国外的少数人总是 “ 他们 ”, 而不是 “ 我们 ”.

Migrating birds filled the pale sky.

灰白的天空中满是迁徙的飞鸟。

Yet any sort of circular migration brings challenges of integration.

无论如何,任何形式的循环移民综合来讲都是一种考验.

Population migration across regions is mainly due to gaps of economic development.

地区间人口流动的主要原因是经济发展的差距.

During the last recession, migration to the sunbelt accelerated.

在上个经济萧条期，人们向美国南部阳光地带移民的速度加快了。

There was a huge migration of people into Europe because of the war.

因为战争,大量的移民涌入欧洲.

Change of climate must have had a powerful influence on migration.

气候的变化对于迁移必曾有过极大的影响.

The specificity of the hydrogen migration has been demonstrated through the use of deuterated compounds.

这种特殊的氢原子迁移,已经用氘化化合物予以证实.

seasonal migration

季节性迁徙

All results are significant to the research on the population in migration process.

这些结果对于研究人口在迁移过程中的变化有着重要意义.

People migrate to cities like Jakarta in search of work...

人们为找工作而迁移到雅加达这类城市里。

Golden China is considering a more dramatic migration.

金华正成为一家公认的带有戏剧性色彩的公司.

mass migrations

大规模的迁移

Finally, it offers proposals for promoting China's free population migration and perfecting urbanization development. "

最后为促进中国人口自由迁徙,完善城市化发展提出建议.

Farmers have learned that they have to migrate if they want to survive.

农民们已经认识到，想要生存就必须外出打工。

It was also found that the position of substituting group took effect on migration time.

同时发现,芳香环上取代基位置对迁移时间的影响有一定规律.

...a dam system that kills the fish as they migrate from streams to the ocean.

导致鱼类在从溪流向海洋迁徙途中死亡的水坝体系

Most birds have to fly long distances to migrate.

绝大多数鸟类为了迁徙都不得不进行长距离的飞行。