| 例句 |
Scientists tracked down the cause of the disease to a particular gene.科学家们查出这种病是由某种基因引起的。Researchers are now agreed that the cause of the disease is genetic.研究者们一致认为这种疾病是由基因引起的。Evidence is accumulating that a defective gene may be responsible for this disease.越来越多的证据表明该疾病可能是由一种有缺陷的基因引起的。Researchers are convinced of a genetic cause for the disease.研究人员确信这种疾病是基因引起的。 |