She's a victim of the dreaded hay fever...她患上了花粉热这种讨厌的病症。Inarticulate and rather shy, he had always dreaded speaking in public...他不善言辞又相当害羞,一直害怕在公共场合讲话。No one knew how to treat this dreaded disease.没人知道如何治疗这种可怕的疾病。T...
染色体也决定动物的性别.Chromosomes also determine the sex of animals.四种染色体的每一种都沿着纵向分裂.Each of four chromosomes divide longitudinally.利用显微镜检查细胞染色体可以发现胎儿的性别。Microscopic examination of a cell's chromo-somes can reveal the sex of ...
Fresh fruits and vegetables are important and so is bran.新鲜的水果和蔬菜很重要，麦麸也是。1998 was an important year for everyone: a time of change.1998年对所有人来说都是重要的一年：那是个变革的时期。This may sound trivial, but I assure you it is quite importa...