复数： seaplanes

Land an airplane smoothly ; land a seaplane on a lake .

使飞机平稳著陆；将水上飞机降落于湖面上。

Land a seaplane on a lake .

将水上飞机降落于湖面上。

After three hours , the couple were collected from the island by a motorboat and flown by seaplane back to yellowknife .

三小时后，威廉夫妇将乘坐岛上的摩托艇及水上飞机返回耶洛奈夫。

We hired a second world war catalina seaplane , one of just three operating in the world , and had to bring in a fire-fighting pilot from canada to fly it .

我们租了一架二战时期的水上飞机（世界上还在使用的三架这类飞机中的一架），我们还必须从加拿大请来一名消防飞行员来驾驶它。

Provides guidance to assist operators in planning , designing , and constructing seaplane base facilities .

为规划、设计和建设水上飞机机场和设施的指导和帮助。