deteriorative造句

1、This paper briefly analyzed the deteriorative reasons of the packaged food, medicine, etc.
简介了包装物品食品、药品变质的原因；

2、Senescence may be defined as the deteriorative events which precede the death of a mature cell.
衰老是成熟细胞死亡之前的败坏过程。

3、Light grazing or over grazing lead to deteriorative succession of artificial sward.
轻度放牧或过度放牧都可以引起人工草地的退化演替。