absorbing backing meaning in English

吸声填料

But hilda had switched off the lights , and was absorbed backing , making the turn
但是希尔达已经把灯光熄了，正专心地把车子退后，想转过头来。
These molecules are secreted into junctions called synapses , where nerve cells abut one another , and when they have done their job they are absorbed back into the cells that secreted them , a process called re - uptake
这类分子被分泌到神经细胞之间相邻的突触连接部位，当它们完成使命后便会通过再吸收作用被吸收回分泌产生了它们的细胞中。
Large cities may be seen as a threat to sustainable global development in that they produce huge amounts of waste and pollution which must be absorbed back into the ecosystem , causing problems from local to global in scale
摘要大型都市所导致之环境问题已被视为对全球性永续发展之最大威胁之一，主因都市地区所产生之大量废弃物，在释回生态系时所产生问题之严重性已不止于地方性。