observed facts的用法和樣例：
例句
- This is an extraordinary and provocative observational fact.
這是一個(gè)不平常的，激動(dòng)人心的觀(guān)測事實(shí)。 - Generations of astronomers have painstakingly gathered an enormous store of facts touching on the most diverse properties of stars.
世世代代的天文學(xué)家辛勤地積累了有關(guān)恒星各種性質(zhì)的大量觀(guān)測事實(shí)。
