释义
ad. 永久地
例句
1. `Does this knob come off?' `No, it's fixed on permanently.' ｀这个把手能拆下来吗?＇｀不能, 那是固定的.＇ 2. A person who leaves one country to settle permanently in another. 移民离开自己的国家并到别国永久定居的人