This is the anointing of Aaron and his sons, by the ceremonies of the Lord, in the day when Moses offered them, so that they may fulfill the priesthood
Other versions
King James Version
This is the portion of the anointing of Aaron, and of the anointing of his sons, out of the offerings of the LORD made by fire, in the day when he presented them to minister unto the LORD in the priest's office;English Standard Version
This is the portion of Aaron and of his sons from the LORD's food offerings, from the day they were presented to serve as priests of the LORD.New International Version
This is the portion of the offerings made to the LORD by fire that were allotted to Aaron and his sons on the day they were presented to serve the LORD as priests.