墓石上有碑文.The gravestone bears an inscription.这块墓石是倾斜的.The headstones were tilted.这种稳定性就是制造毫无生命的星球的墓石.Such stability was a gravestonea lifeless planet....
Tom admits that playing video games sometimes distracts him from his homework.汤姆承认玩电子游戏有时会使他无心做作业。"Monopoly" is one of the best-selling games of all time.“大富翁”是有史以来最畅销的游戏之一。They find it difficult to pump themselves up fo...
化学家能把一种药物的各种成分分解出来.A chemist can separate a medicine into its components.化学家用电解法把水还原为氢.The chemist reduced water by electrolysis.了解这些稀有分子能帮助化学家找到可实现的目标。Understanding these rare molecules will help chemists to find out wh...