He was almost back to his belligerent mood of twelve months ago.他故态复萌，几乎又像一年前那样咄咄逼人了。He had a belligerent aspect.他有种好斗的神色.Chang Su - su retorted hastily , looking slightly belligerent.张素素又抢着反驳, 脸色变了....
Geneticists in Canada have discovered a clue to the puzzle of why our cells get old and die...加拿大的遗传学家已经发现了解开细胞衰老、死亡之谜的线索。Geneticists only recently discovered the identity of the gene that causes it.基因学家最近才发现了造成这一现象的基因特征...
It was raining quietly and steadily and there were little pools of water on the gravel drive...雨一直静静地下着，沙砾车道上积起了一摊摊水。The hospital has pioneered the use of birthing pools.这家医院率先使用了分娩池。His eyes were like bottomless brown p...