The tests look for proteins in brain and spinal cord fluid 实验搜寻了大脑蛋白质和脊髓质。
The tests look for protings ( proteins ) in brain and spinal cord fluit ( fluid ) 试验搜寻大脑蛋白质和脊髓质。
There are more sorts of protein in the brain than in any other bodily organ , though nobody knows exactly how many 尽管我们还不清楚大脑蛋白质种类的确切数量,但我们知道大脑的蛋白质种类比人体的其它任何器官都多得多。