'five seven' means five seven days, that is, 35 days. May seventh is a sacrificial term, which refers to the 35th day after people die. People are used to offering sacrifices every seven days after death. There are the first seven, two seven, three seven, four seven, five seven, six seven and broken seven. Sacrificial words explain sacrifice: a ceremony is held for the dead to express remembrance. Offering wine: offering sacrifices or sacrifices with wine. Worship: worship. Worship: worship.
Sacrificial day: one of the important sacrificial rites in ancient times. The emperor set up a big altar to worship the sun god every spring. Priest: one who presided over religious sacrifices in ancient times.
Sacrifice: an object offered at a sacrifice. Hope sacrifice: sacrifice from a distance. Ancestor worship: worship and memorial ceremony for the souls of dead ancestors in order to avoid disasters and get blessings. Altar: a sacrificial platform. （WuQiShi30HaiShi35Tian）