尽是

To achieve such a miracle, the semiconductor industry has gone to extremes , using the world's most toxic substances like arsine, hydrofluoride and the like.

7 但是，为了这种"奇迹"，半导体技术也到了无所不用其极的地步，世上最剧毒的物质如砷化氢、氟化氢等都派上了用场。

In china, esophageal cancer is a very common malignancy with high mortality.

食管癌在我国是常见的致死率非常高的恶性肿瘤。