Astronaut spacecraft bound for Earth orbit or beyond. NASA also uses the term as a title for those selected to join its Astronaut Corps. The European Space Agency similarly uses the term astronaut for members of its Astronaut Corps. By convention, an astronaut employed by the Russian Federal Space Agency (or its Soviet predecessor) is called a "cosmonaut" in English texts. The word is an anglicisation of the Russian word "kosmonavt" (, ), one who works in space outside the Earth's atmosphere, a space traveler, which derives from the Greek words "kosmos" (κόσμος), meaning "universe", and "nautes" (ναύτης), meaning "sailor". Other
Chinese as a foreign language Chinese language proficiency exam program, which tests has been taken around 100 million times (including by domestic ethnic minority candidates). Within China's Guangdong Province, Cantonese is also offered in some schools as optional or extra-curricular courses in select Chinese as a foreign language programs, although many require students to be proficient in the Mandarin first. Chinese is rated as one of the most difficult languages to learn for people whose native language is English, together with Arabic, Japanese and Korean. According to the Foreign Service Institute, a native English speaker needs over 2,200 hours of intensive study, taking 88 weeks