Many microorganisms possess the ability to dehydrohalogenate DDT to DDE.许多微生物使滴滴涕脱卤化氢变为滴滴依.The house is regularly spraying with DDT.房屋是定期用DDT喷洒.The insects can be exterminated by spraying DDT.可以用喷撒滴滴涕的方法大量杀死这种昆虫.Thousand...
The house is regularly spraying with DDT.房屋是定期用DDT喷洒.The insects can be exterminated by spraying DDT.可以用喷撒滴滴涕的方法大量杀死这种昆虫.Thousands of new chemicals , like DDT, soon resided in every living tissue.DDT等无数新的化学品, 很快渗进了每个活组织....
stellar photometry星体光度学This formation, called an accretion disk, may be very important in some stellar birth sequences.这种构成物即所谓吸积盘, 它在恒星诞生的某些阶段可能是非常重要的.If the stellar spectrum is known, the albedo of the dust can be obta...
You've fractured a rib, maybe more than one...你的一根肋骨断了,可能不止一根。Hematuria is association with left rib fractures usually means a damaged spleen as well.血尿伴有左侧肋骨骨折通常意味着脾脏也有同样损伤.My face was covered with bruises and I ha...