They are scavengers , which feed on dung and other decaying organic matter , and play an invaluable role in keeping the veld clean 他们是清洁工，以粪和另外的腐烂有机物为食，而且在保持草原清洁方面扮演了一个举足轻重的角色。
Centuries later , hundreds of students arrive magao for an annual scavenger hunt discover the piata and unleash the evil spirit contained within 无知的学生将人像打开，谁料被释放的邪灵瞬间转成狰狞异物，并随即向学生们进行撕杀. .
All manner of scavengers make a living on these carcasses , and an increase in numbers of everything from grizzly bears to magpies reflects these newfound riches 渡鸦聚集于灰狼猎物上的最高数量（ 135只） ，就是在黄石公园创下的纪录。
A small fraction of the creatures that die are preserved in this way before decay sets in or , even more likely , before scavengers eat them 只有一小部分死掉的生物在开始腐烂前，或者更可能的情况是，在食腐动物吃掉它们之前如此地保存起来。
Now the jackals came into their own , for male lions , possibly through sheer laziness , are usually very tolerant towards these quicksilver scavengers 这时那些豺走了过去，可能因为是非常非常懒惰，雄狮往往对那些快速敏捷的食腐动物非常宽容。
Alexa vega spy kids star in this irresistible teen comedy about four best friends who embark on a zany , all - night scavenger hunt against their " popu . . 难得放肆，四人造型潮爆在大厅劲歌热舞，在狂跳狂吃之际突然收到“风头趸”少女组的寻宝挑. .
The 108 u . n . inspectors were sent to conduct - - were not sent to conduct a scavenger hunt for hidden materials across a country the size of california 108位联合国武器核查人员前往执行的任务并不是在一个面积同加利福尼亚州相当的国家到处搜寻被藏匿的物品。
Although the young scavengers ' digestive systems might be well adapted to digesting bone fragments , they are not suited to handling plastic , metal and glass 尽管这些幼小食腐动物的消化系统也许足以消化碎骨头，但它们的胃对于塑料、金属物与玻璃是肯定束手无策的。
Online scavenger hunts can be used as a whole class activity , as a team activity , or as a means of providing individual students with review or challenge activities 在网上进行“拾荒式”搜索可用作全班活动，小组活动或作为提供学生个别活动，有助于知识巩固和挑战自我。
Induction of pal activity , saponin synthesis and sqe gene expression were all inhibited by such inhibitor treatments and reduced by incubation with catalase and h2o2 scavengers 激发子诱导胞内钙离子的升高以及过氧化氢的产生，对于激发子诱导的抗性相关基因的转录是必须的。
