On the sea 和in the seaColorful sailing boats are swimming on the sea还是Colorful sailing boats are swimming in the sea= =
问题描述：
On the sea 和in the sea
Colorful sailing boats are swimming on the sea还是Colorful sailing boats are swimming in the sea= =
答
on
boat 明显是在海面上的
用in的话，是在海里面，鱼在海里游就要用in。
答
on the sea是在海边，in the sea是在海里
答
in the sea 在海里例句与用法:Sealed containers of nuclear waste have been dumped in the sea.盛有核废料的密封容器被丢在海里.Swimming in the sea is great fun.在海里游泳很好玩.on the sea 在海（面）上例句...
答
应该是Colorful sailing boats are swimming on the sea