savannas是什么意思,savannas怎么读,
2.We were seized by a frenzy: we began to gallop across the continent, through the savannas and forests that had recovered the earth, burying cities and roads, obliterating all trace of what had been.
我们的心中充满了愤怒:我们在大地上疾速奔驰,穿过草原和森林- - -它们覆盖了原来的城市和马路,重新恢复了生机,所有曾经发生过的一切都被湮灭了痕迹。
3.Located in tropical areas at low altitudes, savannas are stable ecosystems, some wet and some dry consisting of vast grasslands with scattered trees or shrubs.
"热带稀树草原位于热带地区,海拔较低,是一种稳定的生态系统,由广阔的草地和稀疏分布其中的树木或灌木组成,有些地区湿润,有些地区干燥。
4.Despite the constancy of these primal urges human culture has experienced upheaval after upheaval in the period since our hunter-gatherer forebears roamed the savannas.
尽管这些根本的冲动是恒定的,自从我们的狩猎—采集祖先在草原上活动以来,人类文化却经历了一次又一次的大变动。
5.This may seem contradictory, but it only means that extreme soil conditions, either too wet or too dry for forests, are satisfactory for savannas.
这看起来很矛盾,但这就意味着对于森林来说,过湿或过干的极端土壤条件才适合热带草原。
6.Conventional wisdom says our earliest ancestors first stood up on two legs when they moved out of the forest and into the open savannas.
传统观点认为当人类最早的祖先最初从丛林迁移到平原时,开始用两条腿站立。