They said a new test, which detects genetic materialshed from the surface of cancer cells, found nearly 70 percent of assorted digestive tract cancers.
他们说：一项检测从癌细胞表面脱落的遗传物质的新方法发现了接近70%的各种消化道癌症。
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But polystyrene, the lightest and safest packaging material for any wine in the hold, is horribly difficult to recycle, and has a tendency to shed clingy white particles.