是there is a boat in the river还是there is a boat on the river越说越糊涂
问题描述：
是there is a boat in the river还是there is a boat on the river
越说越糊涂
答
有boat一般用on the river
答
这个应该是 习惯用法了..船在河中用 in the river
on the river意思是在岸边
答
吃水深用in the river,吃水浅用on the river
答
there is a boat on the river