We picked up two submarines on sonar.我们用声呐系统观察到两条潜水艇.They bottled up the submarines in their nest.他们把潜艇困在巢穴里,使其无法出击.He had a fascination for submarines and joined this branch of the service.他对潜艇非常着迷，因此加入了潜艇部队。...
Ribose and deoxyribose are constituents of the nucleic acids RNA and DNA.核糖与脱氧核糖分别是核糖核酸与脱氧核酸(DNA)的结构成分.The sugar in all the nucleotides of DNA is deoxyribose.所有DNA的核苷酸中的糖均是脱氧核糖.Deoxyribose A pentose ( five - carbon ) sug...
最近军队被调来重整秩序。The army has recently been brought in to restore order.战后, 战败国不被允许重整军备.After the war, the defeated country was not allowed to rearm.他们从前的敌人正在重整军备.Their former enemy is arming again....