relating to vehicles or equipment capable of operating on both land and water

这种水陆两用坦克在演习中表现出色。

a variety of rare and expensive food items harvested from both land and sea

席间摆满了水陆珍馐，令人目不暇接。

referring to both water and land routes or locations, often in the context of transportation

这里的交通非常便利，水陆运输十分发达。