long的最高级形式

最高级形式：longestIt was the world's longest bridge.

那座桥当时是世界上最长的。

The Yangtze River is the longest river in China and the third longest in the world.

扬子江是中国最长的河流，也是世界第三长河。

It will take an hour at the longest.

这事最多花一小时。