If something happened or was true formerly, it happened or was true in the past.
例句
He had formerly been in the Navy.他从前在海军服役。...east Germany's formerly state-controlled companies.东德原来的国有公司
英汉词典释义
adv.
以前;从前
This boat was formerly used on the rivers of China.这船从前航行在中国内河里。We now enjoy these comforts of which formerly we had only heard.我们现在享受到了过去只是听说过的那些舒适条件。