YOU SAID:
Big brain gray matter
INTO JAPANESE
大きな脳灰白質
BACK INTO ENGLISH
Large brain gray matter
INTO JAPANESE
大脳灰白質
BACK INTO ENGLISH
Cerebral gray matter
INTO JAPANESE
脳灰白質
BACK INTO ENGLISH
Brain gray matter
INTO JAPANESE
脳灰白質
BACK INTO ENGLISH
Brain gray matter
That didn't even make that much sense in English.