大多数蝙蝠靠回声定位来飞行。Most bats navigate by echolocation.她在山顶上大声喊着,然后聆听着回声.She shouted on the mountaintop and listened for the echo.蝙蝠用一种回声测定法来判断距离.The bat judges distances by a kind of echo - location....
这些材料无所谓有什么史料价值.These materials can't be said to have much value as historical records.艺术品和珍贵史料全被无情地毁掉了.Works of art and priceless historical records were ruthlessly destroyed.大量的史料不断聚积,他们难以判断从中选择哪些史实.They will hardl...
你就是思想的源泉。You are a fountain of ideas.梦境可以成为艺术家灵感的丰富源泉。Dreams can be a rich source of inspiration for an artist.书是知识的源泉.A book is a well of knowledge....
He never talked in specifics about his work.他从不谈论有关自己工作的详情。Things improved when we got down to the specifics.当我们深入到具体细节时,情况有所改观。He speaks in concepts rather than specifics.他讲话时尽用抽象概念,而不谈具体.Both have fudged their calculat...
All that talk about abattoirs turned me right off!关于屠宰场的那些话让我十分恶心.They take more care and have a greater number of staff than more intensive abattoirs.他们更注意生产,比那些更密集的屠宰场拥有更多的雇员....
Hb, FEP , SF, PWC 170 , R · PWC 170 and blood lactate concentration were measured.补铁前后测Hb 、 FEP 、 PWC170 、 RPWC170、VO2max及血乳酸浓度值.Thereinto, FEP resin which covers wire and cable will be colored.其中, 传统的白色FEP绝缘电线 电缆已有被彩色线缆...