我们带着网和脚环翻过礁石。

With nets and bags of leg rings, we spread out over the rocks.

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上脚环是试图了解一种不知名的鸟所要做的第一步。

The ringing is just the first step in trying to understand a bird about which almost nothing is known.

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乌鸦喝饱了水后和青蛙离别，谁知道它把脚环丢在了井边上。

Crow drink enough water and frogs after parting, who knows it lost in the ring on his feet the well.

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