Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
In this Nov. 7, 2018, file photo, a model of China’s BeiDou Navigation Satellite System is displayed during the 12th China International Aviation and Aerospace Exhibition.