Which animal has the longest neck?

哪种动物的脖子最长？

It's the longest river in the world.

它是世界上最长的河流。

Giraffes have got the longest legs.

长颈鹿的腿最长。

It is the longest highway in China.

它是中国最长的公路。

Which is the longest river in the world?

世界上最长的河是哪条？

The Nile is the longest river in the world.

尼罗河是世界上最长的河。

This makes it the longest wall in the world.

这使它成为世界上最长的墙。

The Yangtze River is the longest river in Asia.

长江是亚洲最长的河。

The Trans-Siberian Railway is the longest railway in the world.

西伯利亚大铁路是世界上最长的铁路。

This bus takes the longest time because it is the slowest.

这辆公交车花的时间最长，因为它是最慢的。