1. How many states are there on the mainland of the United States?
    美国本土有多少州？

2. The ship left the island and headed for the mainland.
    那条船驶离该岛，向大陆开去。

1. mainland

1. 大陆;本土：大量地;猛烈地 heavily | 大陆;本土 mainland | 大门 gate

2. 公共查询·英语单词大全

2. 本土：Mainichi Broadcasting System 每日广播公司 | mainland 本土 | mainland 大陆

1. （指与周围岛屿相对的）大陆，本土
    You can refer to the largest part of a country or continent as the mainland when contrasting it with the islands around it.

    e.g. She was going to Nanaimo to catch the ferry to the mainland.
           她准备去纳奈莫乘渡船回大陆。
    e.g. ...the islands that lie off the coast of mainland Britain.
           远离英国本土的岛屿

1. the main land mass of a country or continent
    as distinguished from an island or peninsula