And each side of that, you’ve got a metal edge.

两侧是两条金属板刃。

Once the foxes actually saw the sharp metal edge of one of the shovels as it scraped up the earth just behind them.

有一次，狐狸们真的看到了一把铲子锋利的金属边缘，因为它刮起了它们身后的泥土。