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...
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...
价格竞争这个概念对于许多学校都很陌生。The very notion of price competition is foreign to many schools.在陌生的城镇里只身一人，我感到不知所措、孤单寂寞。I feel lost and lonely in a strange town alone.他是认路的行家，即使在陌生的环境中也是如此。He was an expert at finding his way, even i...