YOU SAID:
the earth is made of rocks
INTO JAPANESE
地球は岩でできている
BACK INTO ENGLISH
The earth is made of rock
INTO JAPANESE
地球は岩で作られています
BACK INTO ENGLISH
The earth is made of rocks
INTO JAPANESE
地球は岩でできている
BACK INTO ENGLISH
The earth is made of rock
INTO JAPANESE
地球は岩で作られています
BACK INTO ENGLISH
The earth is made of rocks
it is unlikely that this phrase will ever reach equilibrium