形容词 a.
1.
单独的,独自的[F]
She watches TV when she is alone.
独自一人时,她便看电视.
2.
只有,仅;单单[A]
The rent alone is $300.
单房租就三百元.
副词 ad.
1.
单独地
For years Mary lived alone in New York.
玛丽孤身一人在纽约生活了好几年.
2.
独自地
I can do it alone.
我可以独自办理此事.