ancient
ancient(古代的,描述时间久远的文明/事物,较中性)
archaic
archaic(古老的,过时的,带有「不再适用」的含义:archaic laws = 过时的法律;archaic language = 古旧的语言,含贬义色彩)
The museum's collection of ancient artefacts spans five thousand years of human history.
博物馆收藏的古代文物横跨五千年的人类历史。
Critics argued that the archaic regulations were designed for a manufacturing economy and were wholly unsuited to the digital age.
批评人士认为,这些过时的法规是为制造业经济设计的,完全不适合数字时代。