ObjectiveTo investigate the clinical characteristics and therapeutic results of malignant tumors of ceruminous external auditory canal. 目的探讨外耳道耵聍腺源性恶性肿瘤的临床特征和治疗效果.
The policemen kept blackmailing him, because they had sth . on him.那些警察之所以经常去敲他的竹杠是因为抓住把柄了.He told her their affair would have to stop, because Jack Smith was blackmailing him.他告诉她说他们的婚外情必须结束了，因为杰克·史密斯正在敲诈他。The crime syn...