Scientific prediction of earthquakes remains primitive and haphazard,however,scientists can make general predictions after monitoring magnetic changes along principal faults.
这样改就可以了
前面的prediction你打字错误,后面要把monitor改成动名词形式,因为是在介词after后面
Scientific prediction of earthquakes remains primitive and haphazard,however,scientists can make general predictions after monitoring magnetic changes along principal faults.
这样改就可以了
前面的prediction你打字错误,后面要把monitor改成动名词形式,因为是在介词after后面