rao and his colleagues want to use the touchy-feely afm to test primary tumors for malignancy and study how different cancers behave some tumor cells might be more rigid than others meaning that they may be less metastatic and thereby the patient is in less danger rao says
Rao和他的同事们想用这种触感灵敏的afm来检测原发肿瘤的恶性程度，并研究不同癌症的行为，Rao说，一些肿瘤细胞可能比其他肿瘤细胞更坚硬，这意味着它们可能更不容易转移，因此患者的危险更小
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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