astronomical /ˌæstrəˈnɑːmɪkəl/ adjective also astronomic /ˌæstrəˈnɑːmɪk/ /ˌæstrəˈnɑːmɪkəl/
adjective
also astronomic /ˌæstrəˈnɑːmɪk/ Learner's definition of ASTRONOMICAL
1
: of or relating to astronomy天文学的 2
: extremely large庞大的;天文数字的 — astronomically
/ˌæstrəˈnɑːmɪkli/ adverb