研究人员还表示,在佩特里培养皿中的脑细胞前体可以发育成神经元.The researchers also showed that the progenitors mature into neurons in Petri dishes.植树细胞中丙氨酸和亮氨酸 、 缬氨酸的主要前体是丙酮酸.In plant cells the principal precursor of alanine , as well as leucine and v...
He caught a punt and scored the winning touchdown, with a minute left to play.他接住对方的弃踢球,成功达阵,取得了制胜得分,此时比赛只剩最后一分钟。The star halfback hauled down the pass for a touchdown.那位明星中位接住远传球触地得分.The Tigers broke the ice with a touc...
I'll ask the fishmonger if he can order three dozen oysters for me.我会问问那个卖鱼的,看看他能否给我定购3打牡蛎.I’ll ask the fishmonger if he can order three dozen oysters for me.我会问问那个卖鱼的,看看他能否给我定购3打牡蛎。I got the fishmonger to skin the ...
He was often caustic and mocking, or flew into rages.他常常讽刺或挖苦人,有时又会大发雷霆。His abrasive wit and caustic comments were an interviewer's nightmare.他睿智刁钻,评论尖刻,对任何采访他的人而言都是梦魇。He enjoys making caustic remarks about other pe...