Word: 天文 (tiānwén) 天文 dictionary entry tiānwén astronomy Full dictionary entry for 天文 Example sentences using 天文 2 sentences, showing page 1 of 1. 哥哥在大学学天文。 Gēge zài dàxué xué tiānwén. My older brother studies astronomy at university. 她对天文感兴趣，常看星星。 Tā duì tiānwén gǎnxìngqù, cháng kàn xīngxing. She is interested in astronomy and often watches the stars.