1·It found gaping holes in the safety of American beef production, including residue of drugs, poisons and heavy metals in the meat we eat.
包括我们每日食用的肉类中的药物残留、毒物和重金属元素在内，美国牛肉产品在安全方面还存在不少漏洞。
2·The two reagents were predators and poisons.
那两种溶液是“猎食者”和“有毒物”。
3·DCM has other causes, too, such as viruses, poisons, and genetics.
扩张型心肌病也有其它的因素，比如，病毒、毒物、基因。
4·Occasionally, the poisons waft ashore to fill clinics with coughing patients.
偶尔，这些毒物还会透过吹上岸的海风把人们送进诊所。
5·One need only think of the systematic order in heredity, and in the effect of poisons, as for instance alcohol, on the behavior of organic beings.
人们只要想一想遗传中有规律的秩序，以及毒物（比如酒精）对生物行为的影响就可明白。