She is credited with inventing a procedure that has helped to save thousands of lives.人们相信是她创造了那个挽救了成千上万条生命的操作法。Thousands of young salmon and trout have been killed by pollution.成千上万条鲑鱼和鳟鱼的幼鱼因污染而死亡。The lungs are in fact constructed of thousands of tiny tubes.肺实际上是由成千上万条微小管道构成的。