These astonishing mounds are 10 feet tall. 这些令人叹为观止的白蚁丘有三米高
Almost indestructible, it can grow two feet in a day... 它们几乎坚不可摧 一天可以长高六十厘米
Some of the Namib's dunes are 1,000 feet high, 纳米布的沙丘有些高达三百米
Raising its feet off the ground in turn... 它将四肢轮流抬起
She needs to get within three feet if she's to pounce. 想袭击它们 她必须靠近到一米之内
They grow to ten feet long and kill anything 它们体长可达三米
The forest floor is 30 feet below the water's surface. 水面至林地表层深达九米
He can travel over 100 feet in a single leap. 他纵身一跃可以飞出三十余米
Hanging 100 feet above the ground, a spider monkey. 一只蜘蛛猴悬挂于距离地面三十米高的地方