they are the tallest living things to have ever existed. 是史上最高的生物
The grass in northern India is the tallest on the planet, 印度北部的草是地球上长得最高的
With most of the world's tallest peaks 这里汇集着大多数世上最高的山峰
Leaping from the world's tallest trees is not for the faint hearted. 要从世界上最高的树木上跳下,可不能恐高
contains three of the tallest trees on Earth. 世界树木高度排行前三名的树都在这里
dwarfing all others, and these are the tallest of them all. 这些是长得最高的一种树.
Elephant grass is the tallest in the world. 象草是世界上最高的草