需要进一步扫描来确诊是否出现异常病变。Further scans are required to confirm the diagnosis of an abnormality.他被火速送往医院做脑部扫描。He was rushed to hospital for a brain scan.上周五的脑部扫描终于让他放心了。A brain scan last Friday finally set his mind at rest....
棉纤维的最内层组织叫中腔.The innermost region of cotton is called lumen.光学显微镜还可以用来研究棉纤维的次生层.Light microscopy has also been useful in studies on the secondary wall of the cotton fiber.以棉纤维为原料,合成了一种新型推进剂用含能黏合剂纤维素醚硝酸酯.Cellulose ether n...