候鸟

Woodcocks are birds of passage, here today and gone tomorrow.

山鹬是一种候鸟, 今天在这里,明天在那里.

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 preparations for the movement of migratory birds, flying to warmer places.

候鸟该准备迁徙了, 飞向温暖的地方.

The area was an important resting place for many types of migrant birds.

这个地区是多种候鸟的重要栖息地。

Many migratory birds visit this lake annually.

许多候鸟每年到这个湖上作短期逗留.

The positive rate of migratory birds is higher than birds.

候鸟的阳性率极显著高于留鸟.

The flight of migrant birds were being tracked by the scientists.

科学家们正在跟踪候鸟的迁徙.

Migrating birds have marvelouos directional sense.

候鸟有非凡的方向辨别力。

These winter visitors will fly to British shores.

这些冬季的候鸟将飞向英国的海岸.

Migrant birds shelter in the reeds.

候鸟在芦苇丛中筑巢。

It'seems the migrating birds are somehow programmed to gather new information.

候鸟就好像具有某种记忆新信息的程序似的.

This is the time of the year when migrating birds take wing.

这是一年中候鸟起飞迁居的时候了.

The sea sparkled, curlews cried.

海水波光粼粼,候鸟歌声阵阵.

Which one of the birds is the bird of passage?

这些鸟中哪只是候鸟?

The migratory bird is a host of the wetland.

候鸟是湿地的主人.