Psalm 114:5 Meaning

3The sea saw it, and fled: Jordan was driven back.

4The mountains skipped like rams, and the little hills like lambs.

5What ailed thee, O thou sea, that thou fleddest? thou Jordan, that thou wast driven back?

6Ye mountains, that ye skipped like rams; and ye little hills, like lambs?

7Tremble, thou earth, at the presence of the Lord, at the presence of the God of Jacob;