in the sea 和on the lakerow in the sea和row on the lake在我们的教科书上都出现过,用in和on意思有没有不同?

in the sea还是on the sea boat和ship分别是in the sea 还是on the sea at sail in the sea还是 sail on the sea travel in the sea 还是 travel on the sea.. On the sea 和in the seaColorful sailing boats are swimming on the sea还是Colorful sailing boats are swimming in the sea= = in the sea on the sea,at sea有什么区别 Mount Qomolangma.on land.in the sea.in the world. Mount Qomolangma.on land.in the sea.in the world. sea 和at the sea We () in the sea in the sea 和on the lakerow in the sea和row on the lake在我们的教科书上都出现过,用in和on意思有没有不同? Many people like windsurfing------(in the sea ,on the sea)选什么,这两者怎么区分? I am rowing in the sea.为什么不是on the sea? in the sea ,on the sea ,at sea 有什么区别,可你没给我解释on the sea呀 Some enjoy the sun ( )a.in the sea b.in the shell c.on the beach by the sea shore 和on the sea shore 有什么区别啊? It is used in the business on the sea and in the air的中文翻译 at sea ,by sea ,at the sea,in the sea 的意思,at sea ,by sea ,at the sea ,in the sea 的意思