class a river造句

例句与造句

1. It is a tributary of the Toyohira River and classified as class A river.
2. The river is a class A river.
3. is designated as a Class A river by the Japanese government with a length of 9.7 km and a basin area of 21.4 km?
4. When we reached the " Watershed Monument, " the canal's highest point, we received certificates as " Class A River Sailor, " though we had done nothing but observe.
5. It's difficult to find class a river in a sentence. 用class a river造句挺难的