adj.从前的
That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
Long ago enormous animals lived on the earth. 很久以前，地球上生活着巨大的动物。
The area was fanned out long ago. 这一地区的土地地力早已耗尽了。
The dinosaurs disappeared long ago. 恐龙很久以前就绝种了。
Our office was soundproofed not long ago. 我们的办公室不久前安装了隔音设施。
