bird's-eye coal

例句：

1. 1.The mine was built to provide a bird's-eye view of the surrounding landscape.
   这个矿井建来提供对周围景观的鸟瞰视角。
2. 2. The engineer used a panoramic coal to map out the underground cavern.
   工程师使用全景煤来绘制地下洞穴的地图。
3. 3. The coal mine is famous for its bird's-eye coal, which is highly sought after by collectors.
   这个煤矿以它的鸟瞰煤而闻名，这种煤深受收藏家的喜爱。