on a river,on the river,in the river的区别它们的意思是什么?有什么区别?on a river,on the river可以互换吗?在河边 用哪个?

Is there a river on the farm? Is there a river on the farm on the river on and on the river flows 翻译 on the River 3Q The Lis spent the ___ holiday on a river.(please) our school is on a river我们的学校在河边.为什么不是 our school is on the river 为什么是a river 不是 the river 因为on 后面不是该连接the吗,能on连接a river on a river,on the river,in the river的区别它们的意思是什么?有什么区别?on a river,on the river可以互换吗?在河边 用哪个? on River There are teo ducks and a boat on the river. Vienna is a beautiful old city on the river Danube . Vienna is a beautiful old city on the River Danube.(对 a beautiful old city on the River Danube提问 The village is on a river,在这个句子中on是什么意思The village is on a river,在这个句子中on是什么意思? the bridge is ()the river.A on B over 另请教on和over 的区别? There was a boat on the river with a woman on it怎么翻译 they have found a tortoise on the river bankon the river bank的提问.是对划线部分的提问哦~划线部分为on the river bank the bridge is on the river中文 in the river和on the river有什么区别