"the river was navigable for 50 miles"
1.河;江
Ariver is a large amount of fresh water flowing continuously in a long line across the land.
e.g. ...a chemical works on the banks of theriver.
跨河而建的一家化工厂
e.g. ...boating on theriver Danube.
在多瑙河上划船
1. 川:如:one(一)、two(二)、three(三),山(mountain)、川(river)、心(heart)之类的词汇非常容易记忆. 剩下的就是靠积累来记住他们的日语发音了.