To find out, the researchers used a spectrometer to confirm that the spider in its web is spectrally indistinguishable from bird splat.

为了一探究竟，研究人员们使用一种光谱仪认这些网上趴着在光学角度从鸟粪中难以区分。

Ahab and all his boat's crew seemed asleep but the Parsee; who crouching in the bow, sat watching the sharks, that spectrally played round the whale, and tapped the light cedar planks with their tails.

亚哈和水手们似乎都已睡熟，只有那个拜火教徒蜷缩在首，在守望着鲨鱼幽灵般地在死鲸周围嬉戏，用尾巴轻轻拍打着薄薄雪松船板。