Our driver slowed up as we approached the ruts in the road.当驶近路上的车辙时，我们的司机放慢了速度。The arena was scarred by deep muddy ruts.赛场上留下了深深的车辙泥痕。The farm carts have worn ruts in the lane.农用大车在乡间小路上磨出了车辙....
Now let us consider crystals such as diamond or sapphire.现在让我们考虑象钻石和蓝宝石这样的晶体....white snow and sapphire skies.皑皑白雪和湛蓝的天空One of the new Sapphire Gold brooder, aged about 4 years.一尾大约四岁的新蓝宝石紫蓝底过背金种鱼....a sapphire engagemen...
多巴胺是一种重要的神经传递素。Dopamine is an important neurotransmitter.成神经细胞瘤患者尿中也出现大量的多巴 、 多巴胺以及它们的代谢物.Neuroblastomas are also associated with increased urinary levels of dopa, dopamine and their metabolites.多巴胺还在吸毒和其他成瘾行为中发挥着作用.Dopa...
It all happened with the speed of lightning and with cataclysmic violence.这都是闪电那样快,排山倒海那样猛!We found evidence of a cataclysmic climate shift, which occurred 10,000 years ago.我们发现了10, 000年前,灾难性的气候迁移的证据.Laotse had laughed b...