1.
Changjiang River is the longest one in China. And Yellow River is the second longest one.
长江是中国最长的河流，黄河是第二长河。
2.
The Nile which measures 6,450 kilometers in length is the second longest river in the world.
长为6450千米的尼罗河是世界第二长河。
3.
The River Nile is the longest river in the world.
尼罗河是世界最长的河。
4.
And the Nile is the longest river.
尼罗河是最长的河。
5.
The river is as long as that one.
这条河和那条河一样长。
6.
The Changjiang River is longer.
长江比黄河更长些。
7.
Changjiang is the longest river in Asia.
长江是亚洲最长的河流。
8.
Severn River is the longest river in Britain(338 km).
塞文河是英国最长的河流。全长338公里。
9.
I can see a river, a long river.
我看见了小河，长长的小河。
10.
The Effects of the Floods on the Typical Region Evolution in the Changjiang Estuary;
长江洪水对河口典型河段河床演变的影响
11.
What's the longest river in the United States?
哪一条河是美国最长的河流?
12.
The( River) Thames is one of the longest rivers in England.
泰晤士河是英国最长的河流之一。
13.
The longest river in the United Kingdom is the River Severn.
英国最长的河流是塞文河。
14.
The Nile River in Africa is the longest river.
非洲的尼罗河是最长的河流。
15.
The longest river in africa is the Nile.
非洲最长的河流是尼罗河。
16.
The Pearl River is five times longer than this one.
珠江比这条河长五倍（是这条河的六倍）。
17.
What's the longest river in the world?
世界上最长的河是哪条河？
18.
This river is one third as long as that river.
这条河只有那条河的三分之一长。