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 the next phase, a basic constellation will be constructed around 2040 to support communications, navigation and remote-sensing services for manned lunar and deep space exploration missions to planets such as Mars and Venus, Wu said.