Cockroaches can eat a variety of organic matter, including hair, dead skin, adhesives, and paper.

蟑螂可以食用不同的有机物，包括头发、死皮、黏合剂和纸张。

Guilt, in other words, can help hold a cooperative species together. It is a kind of social glue.

说，内疚可以维护一个群体的合作性，成为某种会黏合剂。

Straddling the boundary between the sacred and the profane, they can be great social unifiers and dividers.

它游荡在神俗的边界，能成为会的黏合剂，也能让会分化。

It has the enormous subjective value of serving as a binder, of holding together a divided individual.

它具有巨大的主观价值， 充当了一种黏合剂，将一个分裂的个体凝聚在一起。

It is composed of what sounds like a bizarre mixture: fly-ash, a fine-grained waste product from coal-fired power stations; carbon nanotubes, cylindrical molecules made of elemental carbon; and two binding agents, sodium silicate and sodium hydroxide.

煤灰，火力发电厂排放的细颗粒废弃物；碳纳米管，即柱状的碳分子；还有两种黏合剂：硅酸钠和氢氧化钠。