Researchers argue that the sun has been growing steadily stronger () 30% over the earth's history.
A.in the name of B.for the sake of C.on account of D.to the tune of正确答案D
Researchers argue that the sun has been growing steadily stronger () 30% over the earth's history.
A.in the name of B.for the sake of C.on account of D.to the tune of正确答案D