עֹלַ֖ת תָּמִ֑יד הָעֲשֻׂיָה֙ בְּהַ֣ר סִינַ֔י לְרֵ֣יחַ נִיחֹ֔חַ אִשֶּׁ֖ה לַֽיהוָֽה׃
It is a continual burnt-offering, which was offered in mount Sinai, for a sweet savour, an offering made by fire unto the LORD.
Read kabbalistic (mystical) interpretation of Numbers 28:6: and classical mystical sources.