1 sentence

1. 在古代仪式中，公爵朝见天子时通常需要手持青圭。

   zài gǔ​dài yí​shì zhōng, gōng​jué cháo​jiàn tiān​zǐ shí tōng​cháng xū​yào shǒu​chí qīng guī.

   In ancient ceremonies, dukes usually had to hold a green jade tablet when meeting the Emperor.

   Source: Dong Chinese Dictionary