Either of the players in the outermost position line of scrimmage.位于并列争球全体前锋锋线最边缘位置的球员.The runner was tackled at the line of scrimmage.奔跑的队员在争球线附近被擒住.The play was stopped at the line of scrimmage.球赛就在起赛线上停了下来....
Ou α~ Rcells are fully sensitive to HAT mediumand digitoxin just like the cells of theoriginal cell line.Ouα~R细胞 与Ouα~s细胞两者在生长速度、对培养液的需求,对HAT培养液和洋地黄毒苷的敏感性方面,均无明显差异....