to use / to employ / to make use of, to apply / to spend

unit of measure / unit (an organized group) / academic credit

(archaic) antique, old-fashioned / (colloquial) ancient

ancient times, antiquity, remote ages

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people

the central part of a country, historically, commonly known as the capital city or the main region, where an emperor or other ruler resides / something within a country

Short for 中国地方 (Chūgoku chihō): the Chūgoku region of Japan

a surname

制定: enactment, establishment, institution / 裁定: ruling, award, arbitration / 井底: well bottom / 蜻蜓: large dragonfly, specifically hawker (dragonfly of the family Aeshnidae)

制定: enact, establish / 裁定: (law) rule, award