Objective Hyperoxia - induced lung injury is the most common cause of bronchopulmonary dysplasia ( BPD ) in neonates.目的高氧肺损伤是导致支气管肺发育不良(BPD ) 的最常见原因....
He's becoming more and more obsessive about punctuality.他对守时要求越来越过分了。a stickler for punctuality非常注重守时的人He's been taken to task for his habitual lack of punctuality.他因为经常不准时而受到批评....
She was furious at being upstaged by her younger sister.她被妹妹抢去风头，感到气愤不已。When the dog entered the stage, he upstaged the actress.这只狗一上台, 顿时抢了女演员的戏.A brilliant young comedian upstaged the star.一位出色的年轻喜剧演员抢了这明星的镜头....
Autotrophic mutants were prepared from six different stocks of the homoictic group.自养突变体是从同株同核融合类群的6个不同的原种菌系制备的.The cell lost its autotrophic character and became dependent on added chemical energy sources.细胞丧失了自养的特性,变成依...