/-{-{xīngxì}-}-/, /si̯ɪŋ³³ he⁴¹/, /si̯ɪŋ⁴⁴⁻²² he²²/, /si̯ɪŋ⁴⁴⁻³³ he³³/, /sɪŋ⁵⁵ hɐi̯²²/, /shingshih/, /sing1 hai6/, /sing1 hai6/, /singsì/, /xing1 hei6/、/ㄒㄧㄥ ㄒㄧˋ/
(天文學) 由恆星、恆星遺骸、星際氣體、塵埃和暗物質等組成，並受到引力綁定的系統