工地上有多台塔吊在作业。

There are several ___cranes working on the construction site.

这些纸鹤看起来非常美丽。

These paper ___cranes look very beautiful.

湖边的白鹤优雅地伸长脖子觅食。

The white ___cranes gracefully stretched their long necks to feed by the lake.