1. Many people travel from the islands to the mainlands for work.
许多人从岛屿前往大陆地区工作。

2. The mainlands are connected by a long bridge.
这些大陆地区通过一座长桥相连。

3. Weather conditions on the mainlands are different from the islands.
大陆地区的天气情况与岛屿不同。

4. Trade between the mainlands has increased in recent years.
近年来各大陆地区之间的贸易有所增加。

A: Do people often move between the mainlands and the islands?
A：人们经常在大陆和岛屿之间迁移吗？

B: Yes, many people travel between the mainlands and nearby islands for study and work.
B：是的，许多人为了学习和工作在大陆和附近岛屿之间往返。

1) 指多个大陆区域的统称

2) 指与岛屿相对的大陆部分

3) 在地理或政治语境中表示大陆主体地区

1. 大陆（复数形式，指多个大陆地区）

e.g. Trade routes connect the mainlands across the ocean.
贸易路线连接了海洋彼岸的多个大陆地区。

2. 与岛屿相对的大陆区域

e.g. Flights operate daily between the islands and the mainlands.
岛屿与大陆之间每天都有航班运行。

noun

1. The plural form of mainland; referring to continental land areas as opposed to islands or overseas territories.

Synonym: mainland, continental regions