sindexselenodesy./sel-uh-nod-uh-see/US // ˌsɛl əˈnɒd ə si //硒代斯,硒元素,硒代尔,硒代斯基Definitionsn.noun · 名词1.›the branch of astronomy that deals with the measurement of the moon's surface and its gravitational field.Level 4More words in s →