393. "These things seem to be so common that it is practically impossible to avoid coming into contact with them," says Frederick vom Saal, a biologist at the University of Missouri.
“這些東西好像無處不在，我們實際上不可能不和它們發生聯系，”密蘇里大學的生物學家弗雷德里克·馮·薩爾說。

六級詞匯講解:
該句中出現了so…that…句型，表示“如此……以至于……”，that后是結果狀語從句。so that還可以連在一塊，用來引導目的狀語從句，表示“以便，為了”...如：

The little boy saved every coin so that he could buy his mother a present on Mother's Day.
為了能在母親節給媽媽買份禮物，小男孩攢下了每一枚硬幣。

從句中it is impossible to...表示“……是不可能的”，come into contact with意為“與……有關系”。