The players strutted and posed for the cameras.运动员昂首阔步，摆好姿势让记者拍照。Peacocks strutted on the lawn.孔雀在草坪上神气活现地走来走去.A pigeon strutted along the roof, cooing rhythmically.一只鸽子沿着屋顶大摇大摆地走, 有节奏地咕咕叫....
A pigeon strutted along the roof, cooing rhythmically.一只鸽子沿着屋顶大摇大摆地走, 有节奏地咕咕叫.He introduced himself as 'the leader' and strutted up and down like a peacock.他自称“领导”，像个孔雀似的趾高气扬地走来走去。The players strutted and posed...
F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交.Altogether, half the offspring will be homozygous at that particular locus.加在一起, 将有半数的后代在那个特定的位点上是纯合的.Homozygous races do not se...
She was now shaking with long, racking sobs.她正剧烈地抽噎着，浑身颤抖。All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.整整一晚我辗转反侧,绞尽脑汁,想弄明白是什么原因竟能促成这个年轻人自杀.H...