Chemical carcinogens generally require metabolic conversion to some form of " ultimate " carcinogen.化学致癌物一般需要通过代谢来转换成某种形式的 “ 最终 ” 致癌物.Colgate - Palmolive's toothpaste was said to contain a carcinogen.高露洁的牙膏也被说含有致癌物质...
Lead toxic to multiple organ systems animal carcinogen.过去的研究表明,铅可引起多系统、多器官的损伤.Cankered material can produce effluvial carcinogen aldehyde . 2.腐烂的物质可以产生恶臭的致癌物质乙醛.Chemical carcinogens generally require metabolic conversion...
车在市政大厅前靠边并排停下了。The car pulled in and double-parked in front of the town hall.当他们接近起止线时，普罗斯特猛向右转，两辆车并排驶过了终点。As they reached the start-finish line Prost jinked right and drew abreast.她轻轻地把手放进他的手心，和他并排而行。She slipped her han...
"It's in here somewhere," he said, rooting about in his desk.“它就在这里的什么地方，”他一边说，一边在桌子里乱翻。The rooting medium should be moist, well aerated, and sterile.生根的基质应当是湿润, 透气良好和消过毒的.Charcoal prevents browning of tissues and s...
有些食品添加物,生产者认为是有用的.Some food additive are regarded as beneficial by the manufacturer.没有配额的生产者的损失是2亿美元.Producers without quotas were worse off by $ 200 million.我们的目标是为了弄清今天生产者的与信息有关的管理措施.Our goals were to define the inform...