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1·Migrating birds filled the pale sky.

迁徙的鸟布满了灰白的天空。《柯林斯英汉双解大词典》

2·Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects.

候鸟会影响老家和冬季目的地两者的生态系统，而扰乱传统路线可能会产生意想不到的副作用。

3·To test the idea, caged night-migrating birds were placed on the floor of a planetarium during their migratory period.

为了验证这个想法，这些在夜晚迁徙的候鸟被关进笼子里，并且在它们的迁徙期间被放置在一个天文馆的地面上。

4·What does the god of migrating birds look like?

想知道候鸟之神的真面目吗？

5·Migrating birds have marvelous directional sense.

候鸟有非凡的方向辨别力。

6·We can be like migrating birds in you I now of the city to move between living.

我们可以像候鸟一样的在你我现在所在的城市之间往返居住。

7·And the birds, the migrating birds, would have had a massive impact on these hunter-gatherers.

还有形形色色的鸟，各种候鸟，肯定会对当时那些狩猪采集者产生多么巨大的影响。

8·There is also great concern that flu might be carried to poor African nations by migrating birds.

还有一个令人十分担忧的问题是，禽流感可能会通过侯鸟传向非洲国家。

9·A birdwatcher can never fly with a flock of migrating birds, but a diver can loiter in a shoal of fish.

因为即便是观鸟者也无法与鸟儿一同飞翔，但潜水者却可以和鱼儿共同在水中畅游。

10·Migrating birds face many threats, chief among them habitat destruction: the loss of necessary places to feed and rest.

候鸟面临着许多威胁，其中主要的是栖息地遭受破坏，这使它们失去了觅食和栖息之地。