他的辅导教师发现了他在阅读和写作方面进步的迹象。His remedial teacher sees signs of progress in his reading and writing.公司在降低成本方面付出了艰苦卓绝的努力。The company has made heroic efforts at cost reduction.据说为研究和技术方面提供的经费严重不足。Research and technology are sai...
Some researchers contend that carcinogens may turn healthy cells into cancer cells.有些研究人员认为,致癌物质能使健康细胞变成癌细胞.Cate - chins may also prevent DNA damage caused by carcinogens.儿茶酸还可能预防致癌物质引起的DNA损伤.Carcinogens may turn healthy...
Her description of the nature and action of poisons is amazingly accurate.他对一些毒药的性质和作用的描述惊人地准确。She was an amazingly good cook.她是个厨艺精湛的厨师。Everyone seemed to her to be amazingly kind.每个人对她来说都善良得不可思议。...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。The after effect occurs only if the additive is present during irradiation.在辐照过程中只有当添加剂存在时才出现后效应.Early lesions can be succes...