gǔ / dài / yàn / huì / shàng / jì / jiǔ / xiān / xiàng / tiān / dì / jìng / jiǔ / rán / hòu / dà / jiā / cái / kāi / shǐ / yòng / cān

古代宴会上，祭酒先向天地敬酒，然后大家才开始用餐。

At banquets in ancient times, the person performing the libation first offered wine to Heaven and Earth before everyone began eating.