degradation
n[U]
degrading or being degraded 堕落; 降解; 递降分解; 退化
living in utter degradation, eg extreme poverty 生活十分潦倒
Being sent to prison was the final degradation. 堕落到最後的地步就是被关进监狱.
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了,所以月底前你可以获得。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.