1. The grackle perched on the fence, its iridescent feathers shining in the sunlight.
乌鸦站在篱笆上，它闪闪发光的羽毛在阳光下闪耀。

2. The grackle's distinctive call could be heard echoing through the trees.
乌鸦独特的叫声在树林中回响。

3. A flock of grackles flew overhead, their wings creating a loud rustling sound.
一群乌鸦飞过头顶，它们的翅膀发出响亮的沙沙声。

4. The grackle's sharp beak allowed it to easily crack open seeds and nuts.
乌鸦尖尖的喙让它能轻松地打开种子和坚果。

5. The grackle's sleek black plumage stood out against the green leaves of the tree.
乌鸦光滑的黑色羽毛在树叶的绿色背景下格外显眼。

6. Children watched in awe as a grackle swooped down to snatch a piece of bread from the ground.
孩子们惊叹地看着乌鸦俯冲下来，从地上抢走一块面包。