triangular system三角: triangle; trigonometry; trig ...星系: galaxy; galact-南三角星座: southern triangle = trangulum australe; triangulum australe三角星座: triangle; triangulum三角座星系: triangulum galaxy下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:三角星系，即可在微信中查询翻译
