NASA Astronaut Corps their home agency but trained with and serve alongside their NASA counterparts. International astronauts, Payload Specialists, and Spaceflight Participants are not considered members of the NASA Astronaut Corps. The term "Astronaut Candidate" (informally "ASCAN") refers to individuals who have been selected by NASA as candidates for the NASA Astronaut Corps and are currently undergoing a candidacy training program at the Johnson Space Center. The most recent class of Astronaut Candidates was selected in 2017 after receiving more than 18,300 applications. Upon completion of a two-year training program, they will be promoted to the rank of Astronaut. Selection as an Astronaut
Chinese as a foreign language "Arte de la Lengua Mandarina" was published in Canton in 1703. This grammar was only sketchy, however. The first important Chinese grammar was Joseph Henri Marie de Prémare's "Notitia linguae sinicae", completed in 1729 but only published in Malacca in 1831. Other important grammar texts followed, from Jean-Pierre Abel-Rémusat's "Élémens" (sic) "de la grammaire chinoise" in 1822 to Georg von der Gabelentz's "Chinesische Grammatik" in 1881. Glossaries for Chinese circulated among the missionaries from early on. Robert Morrison's "A Dictionary of the Chinese Language" (1815-1823), noted for its fine printing, is one of the first important Chinese dictionaries for the