Adam Clarke's Commentary on the Bible - Job 21:11
They send forth their little ones - It is not very clear whether this refers to the young of the flocks or to their children. The first clause may mean the former, the next clause the latter; while the young of their cattle are in flocks, their numerous children are healthy and vigorous, and dance for joy. read more
Adam Clarke's Commentary on the Bible - Job 21:10
Their bull gendereth - עבר ibbar , passes over, i.e., on the cow, referring to the actions of the bull when coupling with the female. Their flocks multiply greatly, they bring forth in time, and none of them is barren. read more