The other set the upper limit at 2 metres .

另一个研究设置的上限是2米。

The ocean floor is 2150 metres beneath .

海底位于海面以下2150米处。

The current record is 65 metres .

目前这一记录是65米。

It went too high : 499 metres .

它飞了499米，飞得太高了。

The researchers found some snakes could glide for 24 metres .

研究人员发现一些树蛇可滑翔24米。