What is required to achieve or maintain such viability?要达到或维持这种生存能力需要什么？Scientists are experimenting to find ways to ensure the viability of seeds for even longer periods of time.正如我们所说，科学家正在试验努力寻找让种子的生命力更加延长的方法。...a man...
What is required to achieve or maintain such viability?要达到或维持这种生存能力需要什么？Scientists are experimenting to find ways to ensure the viability of seeds for even longer periods of time.正如我们所说，科学家正在试验努力寻找让种子的生命力更加延长的方法。These ch...
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。...