Genesis 1 6
And God saith, 'Let an expanse be in the midst of the waters, and let it be separating between waters and waters.'
Compare with other 3 random translations
NKJ Genesis 1:6Then God said, “Let there be a firmament in the midst of the waters, and let it divide the waters from the waters.”
NAS Genesis 1:6Then God said, “Let there be an expanse in the midst of the waters, and let it separate the waters from the waters.”
NIV Genesis 1:6And God said, “Let there be a vault between the waters to separate water from water.”